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math-public:kv_ur_vperemezhku
1. $16x^2-10x-6=0; $ $1; -\dfrac{3}{8}$
2. $-6x^2-17x+14=0; $ $\dfrac{2}{3}; -\dfrac{7}{2}$
3. $-19x^2+9x+10=0; $ $1; -\dfrac{10}{19}$
4. $6x^2-20x-16=0; $ $4; -\dfrac{2}{3}$
5. $9x^2+x+15=0; $ $\varnothing$
6. $12x^2-18x-12=0; $ $2; -\dfrac{1}{2}$
7. $16x^2-20x+4=0; $ $1; \dfrac{1}{4}$
8. $-8x^2+5x+15=0; $ $\dfrac{5\pm\sqrt{505}}{16}$
9. $16x^2+6x-10=0; $ $\dfrac{5}{8}; -1$
10. $-14x^2-12x+6=0; $ $\dfrac{-3\pm\sqrt{30}}{7}$
11. $-12x^2-17x+14=0; $ $\dfrac{7}{12}; -2$
12. $-x^2-9x+10=0; $ $1; -10$
13. $-3x^2-7x+6=0; $ $\dfrac{2}{3}; -3$
14. $4x^2-9x-13=0; $ $\dfrac{13}{4}; -1$
15. $4x^2-15x+14=0; $ $2; \dfrac{7}{4}$
16. $16x^2-2x-5=0; $ $\dfrac{5}{8}; -\dfrac{1}{2}$
17. $2x^2+4x-3=0; $ $\dfrac{-2\pm\sqrt{10}}{2}$
18. $-9x^2+20x-11=0; $ $\dfrac{11}{9}; 1$
19. $-14x^2-17x-1=0; $ $\dfrac{-17\pm\sqrt{233}}{28}$
20. $-9x^2+15x-7=0; $ $\varnothing$
21. $14x^2-2x-16=0; $ $\dfrac{8}{7}; -1$
22. $3x^2+8x+5=0; $ $-1; -\dfrac{5}{3}$
23. $7x^2+5x+10=0; $ $\varnothing$
24. $2x^2-11x+9=0; $ $\dfrac{9}{2}; 1$
25. $-10x^2-9x+19=0; $ $1; -\dfrac{19}{10}$
26. $19x^2+4x-15=0; $ $\dfrac{15}{19}; -1$
27. $-4x^2-9x+20=0; $ $\dfrac{-9\pm\sqrt{401}}{8}$
28. $-13x^2-18x+16=0; $ $\dfrac{8}{13}; -2$
29. $-x^2-15x-14=0; $ $-1; -14$
30. $-18x^2-17x+4=0; $ $\dfrac{-17\pm\sqrt{577}}{36}$
31. $-8x^2+12x-1=0; $ $\dfrac{3\pm\sqrt{7}}{4}$
32. $8x^2-17x+2=0; $ $2; \dfrac{1}{8}$
33. $-5x^2-3x+14=0; $ $\dfrac{7}{5}; -2$
34. $-16x^2-2x+15=0; $ $\dfrac{-1\pm\sqrt{241}}{16}$
35. $5x^2-4x-9=0; $ $\dfrac{9}{5}; -1$
36. $5x^2+14x-11=0; $ $\dfrac{-7\pm2\sqrt{26}}{5}$
37. $5x^2+14x+9=0; $ $-1; -\dfrac{9}{5}$
38. $-2x^2+15x-18=0; $ $6; \dfrac{3}{2}$
39. $-15x^2-8x-10=0; $ $\varnothing$
40. $15x^2+17x+4=0; $ $-\dfrac{1}{3}; -\dfrac{4}{5}$
41. $-2x^2+7x+20=0; $ $\dfrac{7\pm\sqrt{209}}{4}$
42. $14x^2+13x+9=0; $ $\varnothing$
43. $-11x^2-20x+5=0; $ $\dfrac{-10\pm\sqrt{155}}{11}$
44. $2x^2-11x+12=0; $ $4; \dfrac{3}{2}$
45. $-x^2+4x+4=0; $ $2\pm2\sqrt{2}$
46. $-7x^2+20x+16=0; $ $\dfrac{10\pm2\sqrt{53}}{7}$
47. $-x^2+11x-10=0; $ $10; 1$
48. $-12x^2-4x+8=0; $ $\dfrac{2}{3}; -1$
49. $3x^2+14x-17=0; $ $1; -\dfrac{17}{3}$
50. $-17x^2-20x+7=0; $ $\dfrac{-10\pm\sqrt{219}}{17}$
51. $2x^2-5x-7=0; $ $\dfrac{7}{2}; -1$
52. $-10x^2-7x+3=0; $ $\dfrac{3}{10}; -1$
53. $15x^2+10x-19=0; $ $\dfrac{-5\pm\sqrt{310}}{15}$
54. $-2x^2-6x-4=0; $ $-1; -2$
55. $11x^2+13x-18=0; $ $\dfrac{9}{11}; -2$
56. $-13x^2-2x+15=0; $ $1; -\dfrac{15}{13}$
57. $-7x^2+12x+4=0; $ $2; -\dfrac{2}{7}$
58. $3x^2+12x+13=0; $ $\varnothing$
59. $8x^2+18x+7=0; $ $-\dfrac{1}{2}; -\dfrac{7}{4}$
60. $8x^2+9x-5=0; $ $\dfrac{-9\pm\sqrt{241}}{16}$
61. $2x^2-16x+10=0; $ $4\pm\sqrt{11}$
62. $-7x^2+16x-9=0; $ $\dfrac{9}{7}; 1$
63. $-15x^2+20x+20=0; $ $2; -\dfrac{2}{3}$
64. $18x^2-3x-10=0; $ $\dfrac{5}{6}; -\dfrac{2}{3}$
65. $17x^2-3x-18=0; $ $\dfrac{3\pm3\sqrt{137}}{34}$
66. $-10x^2+13x+9=0; $ $\dfrac{9}{5}; -\dfrac{1}{2}$
67. $7x^2+8x+1=0; $ $-\dfrac{1}{7}; -1$
68. $-17x^2+19x-2=0; $ $1; \dfrac{2}{17}$
69. $20x^2-14x+2=0; $ $\dfrac{1}{2}; \dfrac{1}{5}$
70. $-19x^2-17x+2=0; $ $\dfrac{2}{19}; -1$
71. $19x^2+13x+19=0; $ $\varnothing$
72. $15x^2-14x-8=0; $ $\dfrac{4}{3}; -\dfrac{2}{5}$
73. $7x^2-20x+10=0; $ $\dfrac{10\pm\sqrt{30}}{7}$
74. $x^2+7x-8=0; $ $1; -8$
75. $-18x^2-10x+15=0; $ $\dfrac{-5\pm\sqrt{295}}{18}$
76. $12x^2-8x-4=0; $ $1; -\dfrac{1}{3}$
77. $-x^2+11x+20=0; $ $\dfrac{11\pm\sqrt{201}}{2}$
78. $-4x^2+17x-4=0; $ $4; \dfrac{1}{4}$
79. $7x^2-18x-9=0; $ $3; -\dfrac{3}{7}$
80. $-19x^2+6x+13=0; $ $1; -\dfrac{13}{19}$
81. $16x^2-14x+3=0; $ $\dfrac{1}{2}; \dfrac{3}{8}$
82. $2x^2+19x-7=0; $ $\dfrac{-19\pm\sqrt{417}}{4}$
83. $4x^2-20x+9=0; $ $\dfrac{9}{2}; \dfrac{1}{2}$
84. $-15x^2+x+4=0; $ $\dfrac{1\pm\sqrt{241}}{30}$
85. $-10x^2+19x-9=0; $ $1; \dfrac{9}{10}$
86. $18x^2+4x+10=0; $ $\varnothing$
87. $-10x^2-11x+18=0; $ $\dfrac{9}{10}; -2$
88. $-4x^2+3x+1=0; $ $1; -\dfrac{1}{4}$
89. $-14x^2-2x+12=0; $ $\dfrac{6}{7}; -1$
90. $-5x^2+9x+8=0; $ $\dfrac{9\pm\sqrt{241}}{10}$
91. $-8x^2+13x-4=0; $ $\dfrac{13\pm\sqrt{41}}{16}$
92. $x^2+4x+18=0; $ $\varnothing$
93. $-11x^2-13x-2=0; $ $-\dfrac{2}{11}; -1$
94. $-5x^2-7x+12=0; $ $1; -\dfrac{12}{5}$
95. $-2x^2-19x-10=0; $ $\dfrac{-19\pm\sqrt{281}}{4}$
96. $-9x^2-15x-4=0; $ $-\dfrac{1}{3}; -\dfrac{4}{3}$
97. $-8x^2+2x+15=0; $ $\dfrac{3}{2}; -\dfrac{5}{4}$
98. $3x^2-10x+3=0; $ $3; \dfrac{1}{3}$
99. $-16x^2-19x-20=0; $ $\varnothing$
100. $10x^2+11x+3=0; $ $-\dfrac{1}{2}; -\dfrac{3}{5}$
101. $-4x^2+2x+2=0; $ $1; -\dfrac{1}{2}$
102. $9x^2+14x-14=0; $ $\dfrac{-7\pm5\sqrt{7}}{9}$
103. $-9x^2+8x+1=0; $ $1; -\dfrac{1}{9}$
104. $-5x^2-11x+12=0; $ $\dfrac{4}{5}; -3$
105. $-17x^2-4x+13=0; $ $\dfrac{13}{17}; -1$
106. $-12x^2+15x-8=0; $ $\varnothing$
107. $11x^2+5x+8=0; $ $\varnothing$
108. $3x^2-2x-16=0; $ $\dfrac{8}{3}; -2$
109. $x^2+9x-14=0; $ $\dfrac{-9\pm\sqrt{137}}{2}$
110. $-7x^2+9x+16=0; $ $\dfrac{16}{7}; -1$
111. $-11x^2+14x-7=0; $ $\varnothing$
112. $-15x^2+7x+2=0; $ $\dfrac{2}{3}; -\dfrac{1}{5}$
113. $8x^2+4x-20=0; $ $\dfrac{-1\pm\sqrt{41}}{4}$
114. $10x^2+x-9=0; $ $\dfrac{9}{10}; -1$
115. $6x^2+3x-12=0; $ $\dfrac{-1\pm\sqrt{33}}{4}$
116. $10x^2-13x-3=0; $ $\dfrac{3}{2}; -\dfrac{1}{5}$
117. $8x^2-20x-20=0; $ $\dfrac{5\pm\sqrt{65}}{4}$
118. $6x^2+10x-4=0; $ $\dfrac{1}{3}; -2$
119. $10x^2+3x-4=0; $ $\dfrac{1}{2}; -\dfrac{4}{5}$
120. $10x^2-3x-18=0; $ $\dfrac{3}{2}; -\dfrac{6}{5}$
121. $-10x^2-17x+11=0; $ $\dfrac{1}{2}; -\dfrac{11}{5}$
122. $-4x^2+9x-12=0; $ $\varnothing$
123. $16x^2-18x+5=0; $ $\dfrac{5}{8}; \dfrac{1}{2}$
124. $-4x^2-7x+2=0; $ $\dfrac{1}{4}; -2$
125. $4x^2+9x-16=0; $ $\dfrac{-9\pm\sqrt{337}}{8}$
126. $18x^2-7x-1=0; $ $\dfrac{1}{2}; -\dfrac{1}{9}$
127. $-20x^2-7x+13=0; $ $\dfrac{13}{20}; -1$
128. $-18x^2-13x+12=0; $ $\dfrac{-13\pm\sqrt{1033}}{36}$
129. $-13x^2+6x+2=0; $ $\dfrac{3\pm\sqrt{35}}{13}$
130. $-19x^2-12x+14=0; $ $\dfrac{-6\pm\sqrt{302}}{19}$
131. $5x^2-17x+12=0; $ $\dfrac{12}{5}; 1$
132. $20x^2-7x-10=0; $ $\dfrac{7\pm\sqrt{849}}{40}$
133. $5x^2+2x-3=0; $ $\dfrac{3}{5}; -1$
134. $-20x^2-5x+5=0; $ $\dfrac{-1\pm\sqrt{17}}{8}$
135. $-3x^2-8x-4=0; $ $-\dfrac{2}{3}; -2$
136. $-5x^2+6x-1=0; $ $1; \dfrac{1}{5}$
137. $-3x^2+20x-5=0; $ $\dfrac{10\pm\sqrt{85}}{3}$
138. $10x^2-15x-11=0; $ $\dfrac{15\pm\sqrt{665}}{20}$
139. $18x^2-18x-14=0; $ $\dfrac{3\pm\sqrt{37}}{6}$
140. $-3x^2-10x-3=0; $ $-\dfrac{1}{3}; -3$
141. $11x^2-19x+17=0; $ $\varnothing$
142. $4x^2+7x+2=0; $ $\dfrac{-7\pm\sqrt{17}}{8}$
143. $-3x^2+20x+7=0; $ $7; -\dfrac{1}{3}$
144. $-7x^2+4x+20=0; $ $2; -\dfrac{10}{7}$
145. $-5x^2+3x+8=0; $ $\dfrac{8}{5}; -1$
146. $20x^2+12x+1=0; $ $-\dfrac{1}{10}; -\dfrac{1}{2}$
147. $10x^2-14x+4=0; $ $1; \dfrac{2}{5}$
148. $-17x^2+3x+14=0; $ $1; -\dfrac{14}{17}$
149. $10x^2-5x-15=0; $ $\dfrac{3}{2}; -1$
150. $-3x^2-10x-11=0; $ $\varnothing$
151. $-3x^2+14x-8=0; $ $4; \dfrac{2}{3}$
152. $-18x^2-18x-4=0; $ $-\dfrac{1}{3}; -\dfrac{2}{3}$
153. $19x^2+8x-11=0; $ $\dfrac{11}{19}; -1$
154. $-16x^2-15x+1=0; $ $\dfrac{1}{16}; -1$
155. $-19x^2+2x+17=0; $ $1; -\dfrac{17}{19}$
156. $-13x^2+2x+18=0; $ $\dfrac{1\pm\sqrt{235}}{13}$
157. $-13x^2+15x+17=0; $ $\dfrac{15\pm\sqrt{1109}}{26}$
158. $5x^2-2x-3=0; $ $1; -\dfrac{3}{5}$
159. $13x^2-12x+5=0; $ $\varnothing$
160. $8x^2+5x-13=0; $ $1; -\dfrac{13}{8}$
161. $-10x^2-x-6=0; $ $\varnothing$
162. $-5x^2+13x-8=0; $ $\dfrac{8}{5}; 1$
163. $2x^2+19x+17=0; $ $-1; -\dfrac{17}{2}$
164. $8x^2-6x+9=0; $ $\varnothing$
165. $12x^2-7x-19=0; $ $\dfrac{19}{12}; -1$
166. $19x^2+6x-13=0; $ $\dfrac{13}{19}; -1$
167. $4x^2+12x+4=0; $ $\dfrac{-3\pm\sqrt{5}}{2}$
168. $5x^2+9x+20=0; $ $\varnothing$
169. $-5x^2+14x-8=0; $ $2; \dfrac{4}{5}$
170. $-10x^2-11x-1=0; $ $-\dfrac{1}{10}; -1$
171. $2x^2-2x+11=0; $ $\varnothing$
172. $-2x^2-5x+3=0; $ $\dfrac{1}{2}; -3$
173. $-4x^2+x+14=0; $ $2; -\dfrac{7}{4}$
174. $-12x^2+12x+5=0; $ $\dfrac{3\pm2\sqrt{6}}{6}$
175. $8x^2-7x+10=0; $ $\varnothing$
176. $-14x^2+15x+11=0; $ $\dfrac{11}{7}; -\dfrac{1}{2}$
177. $10x^2-x-3=0; $ $\dfrac{3}{5}; -\dfrac{1}{2}$
178. $-4x^2-x+18=0; $ $2; -\dfrac{9}{4}$
179. $10x^2-9x-9=0; $ $\dfrac{3}{2}; -\dfrac{3}{5}$
180. $15x^2-18x-12=0; $ $\dfrac{3\pm\sqrt{29}}{5}$
181. $-7x^2+x+6=0; $ $1; -\dfrac{6}{7}$
182. $11x^2+11x-7=0; $ $\dfrac{-11\pm\sqrt{429}}{22}$
183. $-5x^2+18x+8=0; $ $4; -\dfrac{2}{5}$
184. $-13x^2-14x-8=0; $ $\varnothing$
185. $8x^2+14x+5=0; $ $-\dfrac{1}{2}; -\dfrac{5}{4}$
186. $12x^2-10x-8=0; $ $\dfrac{4}{3}; -\dfrac{1}{2}$
187. $9x^2-18x-18=0; $ $1\pm\sqrt{3}$
188. $-4x^2+3x+10=0; $ $2; -\dfrac{5}{4}$
189. $-11x^2-8x+19=0; $ $1; -\dfrac{19}{11}$
190. $-16x^2-19x-3=0; $ $-\dfrac{3}{16}; -1$
191. $-8x^2+x+9=0; $ $\dfrac{9}{8}; -1$
192. $-13x^2-8x+5=0; $ $\dfrac{5}{13}; -1$
193. $10x^2-9x-16=0; $ $\dfrac{9\pm\sqrt{721}}{20}$
194. $-3x^2-19x-6=0; $ $-\dfrac{1}{3}; -6$
195. $-8x^2-7x+15=0; $ $1; -\dfrac{15}{8}$
196. $-8x^2-20x-8=0; $ $-\dfrac{1}{2}; -2$
197. $10x^2+19x+8=0; $ $\dfrac{-19\pm\sqrt{41}}{20}$
198. $12x^2+8x-4=0; $ $\dfrac{1}{3}; -1$
199. $11x^2+2x-13=0; $ $1; -\dfrac{13}{11}$
200. $-3x^2+10x-7=0; $ $\dfrac{7}{3}; 1$
201. $20x^2+13x-7=0; $ $\dfrac{7}{20}; -1$
202. $-14x^2+12x+2=0; $ $1; -\dfrac{1}{7}$
203. $-4x^2+11x-1=0; $ $\dfrac{11\pm\sqrt{105}}{8}$
204. $6x^2+9x+3=0; $ $-\dfrac{1}{2}; -1$
205. $-8x^2+19x-11=0; $ $\dfrac{11}{8}; 1$
206. $12x^2+7x-10=0; $ $\dfrac{2}{3}; -\dfrac{5}{4}$
207. $15x^2+6x+2=0; $ $\varnothing$
208. $7x^2+18x+1=0; $ $\dfrac{-9\pm\sqrt{74}}{7}$
209. $12x^2+5x-7=0; $ $\dfrac{7}{12}; -1$
210. $-13x^2+17x-4=0; $ $1; \dfrac{4}{13}$
211. $3x^2-13x-12=0; $ $\dfrac{13\pm\sqrt{313}}{6}$
212. $7x^2+2x+12=0; $ $\varnothing$
213. $7x^2+5x-12=0; $ $1; -\dfrac{12}{7}$
214. $4x^2+7x+3=0; $ $-\dfrac{3}{4}; -1$
215. $15x^2-17x+4=0; $ $\dfrac{4}{5}; \dfrac{1}{3}$
216. $-6x^2-19x+12=0; $ $\dfrac{-19\pm\sqrt{649}}{12}$
217. $18x^2-3x-20=0; $ $\dfrac{1\pm\sqrt{161}}{12}$
218. $-5x^2+19x+19=0; $ $\dfrac{19\pm\sqrt{741}}{10}$
219. $x^2-3x+1=0; $ $\dfrac{3\pm\sqrt{5}}{2}$
220. $4x^2-9x-15=0; $ $\dfrac{9\pm\sqrt{321}}{8}$
221. $8x^2+10x-12=0; $ $\dfrac{3}{4}; -2$
222. $15x^2-16x+7=0; $ $\varnothing$
223. $2x^2+x-10=0; $ $2; -\dfrac{5}{2}$
224. $-16x^2-14x+15=0; $ $\dfrac{5}{8}; -\dfrac{3}{2}$
225. $-20x^2+13x+15=0; $ $\dfrac{5}{4}; -\dfrac{3}{5}$
226. $-14x^2-18x-8=0; $ $\varnothing$
227. $19x^2+15x-4=0; $ $\dfrac{4}{19}; -1$
228. $4x^2-20x-11=0; $ $\dfrac{11}{2}; -\dfrac{1}{2}$
229. $10x^2-19x+6=0; $ $\dfrac{3}{2}; \dfrac{2}{5}$
230. $15x^2-20x-10=0; $ $\dfrac{2\pm\sqrt{10}}{3}$
231. $20x^2-11x-3=0; $ $\dfrac{3}{4}; -\dfrac{1}{5}$
232. $18x^2-19x+1=0; $ $1; \dfrac{1}{18}$
233. $-14x^2-15x+9=0; $ $\dfrac{3}{7}; -\dfrac{3}{2}$
234. $20x^2+3x-17=0; $ $\dfrac{17}{20}; -1$
235. $3x^2+3x-18=0; $ $2; -3$
236. $x^2-16x+2=0; $ $8\pm\sqrt{62}$
237. $-6x^2+x+1=0; $ $\dfrac{1}{2}; -\dfrac{1}{3}$
238. $-10x^2-6x-16=0; $ $\varnothing$
239. $16x^2-14x-17=0; $ $\dfrac{7\pm\sqrt{321}}{16}$
240. $-4x^2-18x-7=0; $ $\dfrac{-9\pm\sqrt{53}}{4}$
241. $-20x^2-17x-8=0; $ $\varnothing$
242. $-3x^2-14x+1=0; $ $\dfrac{-7\pm2\sqrt{13}}{3}$
243. $-18x^2-11x+10=0; $ $\dfrac{1}{2}; -\dfrac{10}{9}$
244. $12x^2+3x+5=0; $ $\varnothing$
245. $9x^2-18x-7=0; $ $\dfrac{7}{3}; -\dfrac{1}{3}$
246. $x^2-15x+14=0; $ $14; 1$
247. $-10x^2+18x-8=0; $ $1; \dfrac{4}{5}$
248. $-10x^2-13x+10=0; $ $\dfrac{-13\pm\sqrt{569}}{20}$
249. $10x^2-8x-2=0; $ $1; -\dfrac{1}{5}$
250. $-2x^2+11x-15=0; $ $3; \dfrac{5}{2}$
251. $4x^2+14x+10=0; $ $-1; -\dfrac{5}{2}$
252. $17x^2-20x-8=0; $ $\dfrac{10\pm2\sqrt{59}}{17}$
253. $10x^2+3x-13=0; $ $1; -\dfrac{13}{10}$
254. $3x^2-10x-13=0; $ $\dfrac{13}{3}; -1$
255. $-x^2-19x-19=0; $ $\dfrac{-19\pm\sqrt{285}}{2}$
256. $-3x^2+19x-20=0; $ $5; \dfrac{4}{3}$
257. $x^2+6x+8=0; $ $-2; -4$
258. $13x^2+7x-6=0; $ $\dfrac{6}{13}; -1$
259. $7x^2-17x+6=0; $ $2; \dfrac{3}{7}$
260. $-16x^2+12x-2=0; $ $\dfrac{1}{2}; \dfrac{1}{4}$
261. $20x^2-2x-12=0; $ $\dfrac{1\pm\sqrt{241}}{20}$
262. $9x^2-8x-20=0; $ $2; -\dfrac{10}{9}$
263. $-11x^2+6x+17=0; $ $\dfrac{17}{11}; -1$
264. $9x^2+10x-16=0; $ $\dfrac{8}{9}; -2$
265. $-9x^2+13x-5=0; $ $\varnothing$
266. $15x^2-18x-14=0; $ $\dfrac{9\pm\sqrt{291}}{15}$
267. $x^2-20x-6=0; $ $10\pm\sqrt{106}$
268. $7x^2+16x+9=0; $ $-1; -\dfrac{9}{7}$
269. $14x^2-10x-4=0; $ $1; -\dfrac{2}{7}$
270. $12x^2-10x-6=0; $ $\dfrac{5\pm\sqrt{97}}{12}$
271. $12x^2-x+16=0; $ $\varnothing$
272. $-x^2+x+16=0; $ $\dfrac{1\pm\sqrt{65}}{2}$
273. $-x^2-x+2=0; $ $1; -2$
274. $6x^2-17x-3=0; $ $3; -\dfrac{1}{6}$
275. $-4x^2-9x-5=0; $ $-1; -\dfrac{5}{4}$
276. $-15x^2-x+6=0; $ $\dfrac{3}{5}; -\dfrac{2}{3}$
277. $-19x^2-x-11=0; $ $\varnothing$
278. $-2x^2-9x+5=0; $ $\dfrac{1}{2}; -5$
279. $16x^2+8x-3=0; $ $\dfrac{1}{4}; -\dfrac{3}{4}$
280. $20x^2+10x+18=0; $ $\varnothing$
281. $3x^2-3x-15=0; $ $\dfrac{1\pm\sqrt{21}}{2}$
282. $-3x^2+12x-12=0; $ $2$
283. $8x^2+14x-13=0; $ $\dfrac{-7\pm3\sqrt{17}}{8}$
284. $3x^2+x-4=0; $ $1; -\dfrac{4}{3}$
285. $16x^2+12x-4=0; $ $\dfrac{1}{4}; -1$
286. $-2x^2+3x+5=0; $ $\dfrac{5}{2}; -1$
287. $-6x^2+10x-4=0; $ $1; \dfrac{2}{3}$
288. $-4x^2-x-8=0; $ $\varnothing$
289. $5x^2+9x-2=0; $ $\dfrac{1}{5}; -2$
290. $6x^2-19x-20=0; $ $4; -\dfrac{5}{6}$
291. $-2x^2-10x-12=0; $ $-2; -3$
292. $-x^2-19x-18=0; $ $-1; -18$
293. $15x^2+4x-19=0; $ $1; -\dfrac{19}{15}$
294. $-20x^2+12x+8=0; $ $1; -\dfrac{2}{5}$
295. $9x^2-9x-4=0; $ $\dfrac{4}{3}; -\dfrac{1}{3}$
296. $7x^2-15x+2=0; $ $2; \dfrac{1}{7}$
297. $13x^2-9x-4=0; $ $1; -\dfrac{4}{13}$
298. $4x^2-4x-8=0; $ $2; -1$
299. $-12x^2-15x+5=0; $ $\dfrac{-15\pm\sqrt{465}}{24}$
300. $-6x^2+19x-15=0; $ $\dfrac{5}{3}; \dfrac{3}{2}$
301. $11x^2-17x-10=0; $ $2; -\dfrac{5}{11}$
302. $3x^2-6x+3=0; $ $1$
303. $9x^2-5x+17=0; $ $\varnothing$
304. $12x^2-x-6=0; $ $\dfrac{3}{4}; -\dfrac{2}{3}$
305. $-9x^2+18x+10=0; $ $\dfrac{3\pm\sqrt{19}}{3}$
306. $-12x^2-10x+17=0; $ $\dfrac{-5\pm\sqrt{229}}{12}$
307. $-4x^2+19x-12=0; $ $4; \dfrac{3}{4}$
308. $10x^2+19x+6=0; $ $-\dfrac{2}{5}; -\dfrac{3}{2}$
309. $-17x^2-7x+10=0; $ $\dfrac{10}{17}; -1$
310. $10x^2+12x-2=0; $ $\dfrac{-3\pm\sqrt{14}}{5}$
311. $5x^2+19x+12=0; $ $-\dfrac{4}{5}; -3$
312. $15x^2-8x+9=0; $ $\varnothing$
313. $3x^2+10x-6=0; $ $\dfrac{-5\pm\sqrt{43}}{3}$
314. $2x^2-9x+4=0; $ $4; \dfrac{1}{2}$
315. $-16x^2+3x+14=0; $ $\dfrac{3\pm\sqrt{905}}{32}$
316. $4x^2+13x-17=0; $ $1; -\dfrac{17}{4}$
317. $15x^2+13x-2=0; $ $\dfrac{2}{15}; -1$
318. $-x^2-11x-10=0; $ $-1; -10$
319. $7x^2+10x-17=0; $ $1; -\dfrac{17}{7}$
320. $-8x^2+2x+3=0; $ $\dfrac{3}{4}; -\dfrac{1}{2}$
321. $-3x^2+5x+12=0; $ $3; -\dfrac{4}{3}$
322. $-2x^2+9x-9=0; $ $3; \dfrac{3}{2}$
323. $-4x^2+13x+17=0; $ $\dfrac{17}{4}; -1$
324. $13x^2-2x-1=0; $ $\dfrac{1\pm\sqrt{14}}{13}$
325. $10x^2+17x+3=0; $ $-\dfrac{1}{5}; -\dfrac{3}{2}$
326. $-2x^2-6x+8=0; $ $1; -4$
327. $-x^2-7x-4=0; $ $\dfrac{-7\pm\sqrt{33}}{2}$
328. $16x^2+14x-2=0; $ $\dfrac{1}{8}; -1$
329. $4x^2-18x-6=0; $ $\dfrac{9\pm\sqrt{105}}{4}$
330. $-8x^2-3x+11=0; $ $1; -\dfrac{11}{8}$
331. $18x^2-14x-4=0; $ $1; -\dfrac{2}{9}$
332. $9x^2+3x-1=0; $ $\dfrac{-1\pm\sqrt{5}}{6}$
333. $-5x^2-9x+14=0; $ $1; -\dfrac{14}{5}$
334. $6x^2+3x-3=0; $ $\dfrac{1}{2}; -1$
335. $-18x^2-18x+20=0; $ $\dfrac{2}{3}; -\dfrac{5}{3}$
336. $-16x^2+15x+5=0; $ $\dfrac{15\pm\sqrt{545}}{32}$
337. $2x^2-14x-16=0; $ $8; -1$
338. $11x^2+5x-6=0; $ $\dfrac{6}{11}; -1$
339. $-3x^2-7x+20=0; $ $\dfrac{5}{3}; -4$
340. $15x^2-6x-3=0; $ $\dfrac{1\pm\sqrt{6}}{5}$
341. $-6x^2+10x-13=0; $ $\varnothing$
342. $12x^2+2x-14=0; $ $1; -\dfrac{7}{6}$
343. $-3x^2-7x-4=0; $ $-1; -\dfrac{4}{3}$
344. $-16x^2-14x+11=0; $ $\dfrac{1}{2}; -\dfrac{11}{8}$
345. $-2x^2+11x-19=0; $ $\varnothing$
346. $15x^2-10x-13=0; $ $\dfrac{5\pm2\sqrt{55}}{15}$
347. $10x^2+x-3=0; $ $\dfrac{1}{2}; -\dfrac{3}{5}$
348. $6x^2-8x+2=0; $ $1; \dfrac{1}{3}$
349. $8x^2-4x+14=0; $ $\varnothing$
350. $5x^2+7x-6=0; $ $\dfrac{3}{5}; -2$
351. $-3x^2-5x-13=0; $ $\varnothing$
352. $-8x^2+10x+7=0; $ $\dfrac{7}{4}; -\dfrac{1}{2}$
353. $-20x^2-5x-13=0; $ $\varnothing$
354. $-2x^2-17x+19=0; $ $1; -\dfrac{19}{2}$
355. $4x^2-10x-6=0; $ $3; -\dfrac{1}{2}$
356. $11x^2+3x-14=0; $ $1; -\dfrac{14}{11}$
357. $-13x^2-4x-4=0; $ $\varnothing$
358. $15x^2+3x+6=0; $ $\varnothing$
359. $-7x^2-11x+18=0; $ $1; -\dfrac{18}{7}$
360. $-2x^2+17x+19=0; $ $\dfrac{19}{2}; -1$
361. $20x^2+11x-4=0; $ $\dfrac{1}{4}; -\dfrac{4}{5}$
362. $11x^2-7x-18=0; $ $\dfrac{18}{11}; -1$
363. $-15x^2-4x-18=0; $ $\varnothing$
364. $-2x^2+13x-15=0; $ $5; \dfrac{3}{2}$
365. $-16x^2-15x+7=0; $ $\dfrac{-15\pm\sqrt{673}}{32}$
366. $4x^2-12x-7=0; $ $\dfrac{7}{2}; -\dfrac{1}{2}$
367. $-15x^2-17x+4=0; $ $\dfrac{1}{5}; -\dfrac{4}{3}$
368. $-4x^2-11x-7=0; $ $-1; -\dfrac{7}{4}$
369. $19x^2+6x+16=0; $ $\varnothing$
370. $2x^2+11x-15=0; $ $\dfrac{-11\pm\sqrt{241}}{4}$
371. $-2x^2-13x+12=0; $ $\dfrac{-13\pm\sqrt{265}}{4}$
372. $-3x^2-4x-1=0; $ $-\dfrac{1}{3}; -1$
373. $2x^2-10x+8=0; $ $4; 1$
374. $9x^2+11x-14=0; $ $\dfrac{7}{9}; -2$
375. $-12x^2+4x+20=0; $ $\dfrac{1\pm\sqrt{61}}{6}$
376. $-2x^2-3x+4=0; $ $\dfrac{-3\pm\sqrt{41}}{4}$
377. $14x^2+16x-14=0; $ $\dfrac{-4\pm\sqrt{65}}{7}$
378. $-5x^2-10x+13=0; $ $\dfrac{-5\pm3\sqrt{10}}{5}$
379. $-10x^2+6x+19=0; $ $\dfrac{3\pm\sqrt{199}}{10}$
380. $6x^2-5x+16=0; $ $\varnothing$
381. $-7x^2+14x-16=0; $ $\varnothing$
382. $-8x^2+13x+20=0; $ $\dfrac{13\pm\sqrt{809}}{16}$
383. $3x^2+7x-10=0; $ $1; -\dfrac{10}{3}$
384. $11x^2-18x-6=0; $ $\dfrac{9\pm7\sqrt{3}}{11}$
385. $15x^2-5x+1=0; $ $\varnothing$
386. $-11x^2+3x+8=0; $ $1; -\dfrac{8}{11}$
387. $-13x^2-14x+9=0; $ $\dfrac{-7\pm\sqrt{166}}{13}$
388. $5x^2+16x-16=0; $ $\dfrac{4}{5}; -4$
389. $12x^2-5x-2=0; $ $\dfrac{2}{3}; -\dfrac{1}{4}$
390. $-6x^2-20x+16=0; $ $\dfrac{2}{3}; -4$
391. $-13x^2+6x+3=0; $ $\dfrac{3\pm4\sqrt{3}}{13}$
392. $-16x^2+2x+7=0; $ $\dfrac{1\pm\sqrt{113}}{16}$
393. $3x^2-5x-8=0; $ $\dfrac{8}{3}; -1$
394. $12x^2-10x-12=0; $ $\dfrac{3}{2}; -\dfrac{2}{3}$
395. $-2x^2+19x-9=0; $ $9; \dfrac{1}{2}$
396. $8x^2-14x-4=0; $ $2; -\dfrac{1}{4}$
397. $4x^2-13x+9=0; $ $\dfrac{9}{4}; 1$
398. $-6x^2+11x-4=0; $ $\dfrac{4}{3}; \dfrac{1}{2}$
399. $13x^2+19x+18=0; $ $\varnothing$
400. $3x^2+16x-12=0; $ $\dfrac{2}{3}; -6$
1. $10x^2-3x+9=0; $ $\varnothing$
2. $6x^2-9x-10=0; $ $\dfrac{9\pm\sqrt{321}}{12}$
3. $-7x^2-8x-7=0; $ $\varnothing$
4. $4x^2+8x+4=0; $ $-1$
5. $-9x^2+3x-2=0; $ $\varnothing$
6. $2x^2-10x-8=0; $ $\dfrac{5\pm\sqrt{41}}{2}$
7. $-7x^2+x+8=0; $ $\dfrac{8}{7}; -1$
8. $-9x^2+10x+4=0; $ $\dfrac{5\pm\sqrt{61}}{9}$
9. $-2x^2+2x-3=0; $ $\varnothing$
10. $10x^2-x+9=0; $ $\varnothing$
11. $7x^2+5x-6=0; $ $\dfrac{-5\pm\sqrt{193}}{14}$
12. $5x^2-10x-6=0; $ $\dfrac{5\pm\sqrt{55}}{5}$
13. $-8x^2+9x+5=0; $ $\dfrac{9\pm\sqrt{241}}{16}$
14. $-5x^2+3x-9=0; $ $\varnothing$
15. $-2x^2+7x+4=0; $ $4; -\dfrac{1}{2}$
16. $-6x^2+9x-2=0; $ $\dfrac{9\pm\sqrt{33}}{12}$
17. $x^2-3x-5=0; $ $\dfrac{3\pm\sqrt{29}}{2}$
18. $10x^2-2x-1=0; $ $\dfrac{1\pm\sqrt{11}}{10}$
19. $6x^2-10x-10=0; $ $\dfrac{5\pm\sqrt{85}}{6}$
20. $-9x^2-4x-5=0; $ $\varnothing$
21. $-4x^2+9x-5=0; $ $\dfrac{5}{4}; 1$
22. $-10x^2-7x+1=0; $ $\dfrac{-7\pm\sqrt{89}}{20}$
23. $-8x^2+5x+5=0; $ $\dfrac{5\pm\sqrt{185}}{16}$
24. $-5x^2+3x-1=0; $ $\varnothing$
25. $4x^2-5x-9=0; $ $\dfrac{9}{4}; -1$
26. $-9x^2-5x-9=0; $ $\varnothing$
27. $-x^2-7x+2=0; $ $\dfrac{-7\pm\sqrt{57}}{2}$
28. $6x^2-2x-3=0; $ $\dfrac{1\pm\sqrt{19}}{6}$
29. $8x^2+10x-1=0; $ $\dfrac{-5\pm\sqrt{33}}{8}$
30. $8x^2+3x+4=0; $ $\varnothing$
31. $9x^2-9x+3=0; $ $\varnothing$
32. $-4x^2+9x+9=0; $ $3; -\dfrac{3}{4}$
33. $7x^2+8x+5=0; $ $\varnothing$
34. $-7x^2-6x+9=0; $ $\dfrac{-3\pm6\sqrt{2}}{7}$
35. $x^2+4x-1=0; $ $-2\pm\sqrt{5}$
36. $-2x^2-4x+2=0; $ $-1\pm\sqrt{2}$
37. $5x^2+x-8=0; $ $\dfrac{-1\pm\sqrt{161}}{10}$
38. $-3x^2-8x-2=0; $ $\dfrac{-4\pm\sqrt{10}}{3}$
39. $-2x^2+2x-7=0; $ $\varnothing$
40. $3x^2+7x+2=0; $ $-\dfrac{1}{3}; -2$
41. $-x^2+3x-7=0; $ $\varnothing$
42. $7x^2+9x-4=0; $ $\dfrac{-9\pm\sqrt{193}}{14}$
43. $10x^2+10x+9=0; $ $\varnothing$
44. $7x^2+4x+5=0; $ $\varnothing$
45. $8x^2-4x+8=0; $ $\varnothing$
46. $6x^2+3x-1=0; $ $\dfrac{-3\pm\sqrt{33}}{12}$
47. $3x^2+6x+3=0; $ $-1$
48. $10x^2+10x+4=0; $ $\varnothing$
49. $-9x^2-6x-1=0; $ $-\dfrac{1}{3}$
50. $2x^2+3x-2=0; $ $\dfrac{1}{2}; -2$
51. $-8x^2+3x+7=0; $ $\dfrac{3\pm\sqrt{233}}{16}$
52. $-5x^2+2x+1=0; $ $\dfrac{1\pm\sqrt{6}}{5}$
53. $-5x^2+6x+9=0; $ $\dfrac{3\pm3\sqrt{6}}{5}$
54. $-7x^2+4x+5=0; $ $\dfrac{2\pm\sqrt{39}}{7}$
55. $-x^2-x+4=0; $ $\dfrac{-1\pm\sqrt{17}}{2}$
56. $-9x^2+2x-7=0; $ $\varnothing$
57. $8x^2-7x-4=0; $ $\dfrac{7\pm\sqrt{177}}{16}$
58. $3x^2+6x-4=0; $ $\dfrac{-3\pm\sqrt{21}}{3}$
59. $-4x^2+8x-5=0; $ $\varnothing$
60. $8x^2+5x-7=0; $ $\dfrac{-5\pm\sqrt{249}}{16}$
61. $6x^2+x-1=0; $ $\dfrac{1}{3}; -\dfrac{1}{2}$
62. $6x^2-2x-8=0; $ $\dfrac{4}{3}; -1$
63. $-3x^2+2x+3=0; $ $\dfrac{1\pm\sqrt{10}}{3}$
64. $4x^2+10x+8=0; $ $\varnothing$
65. $8x^2+9x+1=0; $ $-\dfrac{1}{8}; -1$
66. $10x^2+x-8=0; $ $\dfrac{-1\pm\sqrt{321}}{20}$
67. $4x^2+6x+8=0; $ $\varnothing$
68. $-4x^2+7x-3=0; $ $1; \dfrac{3}{4}$
69. $-7x^2+8x-8=0; $ $\varnothing$
70. $-2x^2+3x-5=0; $ $\varnothing$
71. $10x^2-8x-2=0; $ $1; -\dfrac{1}{5}$
72. $-2x^2+3x-2=0; $ $\varnothing$
73. $3x^2-4x-8=0; $ $\dfrac{2\pm2\sqrt{7}}{3}$
74. $-4x^2-3x-1=0; $ $\varnothing$
75. $6x^2-10x+3=0; $ $\dfrac{5\pm\sqrt{7}}{6}$
76. $9x^2-7x-5=0; $ $\dfrac{7\pm\sqrt{229}}{18}$
77. $8x^2-x-6=0; $ $\dfrac{1\pm\sqrt{193}}{16}$
78. $3x^2+3x+6=0; $ $\varnothing$
79. $-8x^2-7x+3=0; $ $\dfrac{-7\pm\sqrt{145}}{16}$
80. $9x^2+7x-6=0; $ $\dfrac{-7\pm\sqrt{265}}{18}$
81. $2x^2+10x+7=0; $ $\dfrac{-5\pm\sqrt{11}}{2}$
82. $2x^2-5x+5=0; $ $\varnothing$
83. $3x^2-10x+10=0; $ $\varnothing$
84. $8x^2-10x+2=0; $ $1; \dfrac{1}{4}$
85. $-5x^2-8x-5=0; $ $\varnothing$
86. $5x^2+9x-4=0; $ $\dfrac{-9\pm\sqrt{161}}{10}$
87. $-4x^2+5x-2=0; $ $\varnothing$
88. $8x^2+x+2=0; $ $\varnothing$
89. $3x^2+5x+4=0; $ $\varnothing$
90. $-7x^2-5x+3=0; $ $\dfrac{-5\pm\sqrt{109}}{14}$
91. $-2x^2-5x-5=0; $ $\varnothing$
92. $6x^2+8x+5=0; $ $\varnothing$
93. $-6x^2-10x+9=0; $ $\dfrac{-5\pm\sqrt{79}}{6}$
94. $5x^2-10x+7=0; $ $\varnothing$
95. $-5x^2-8x+7=0; $ $\dfrac{-4\pm\sqrt{51}}{5}$
96. $-3x^2+9x-3=0; $ $\dfrac{3\pm\sqrt{5}}{2}$
97. $-4x^2-2x-9=0; $ $\varnothing$
98. $4x^2+9x-5=0; $ $\dfrac{-9\pm\sqrt{161}}{8}$
99. $5x^2+10x+1=0; $ $\dfrac{-5\pm2\sqrt{5}}{5}$
100. $6x^2-9x+4=0; $ $\varnothing$
101. $5x^2+6x-2=0; $ $\dfrac{-3\pm\sqrt{19}}{5}$
102. $x^2-9x+4=0; $ $\dfrac{9\pm\sqrt{65}}{2}$
103. $4x^2-x+3=0; $ $\varnothing$
104. $-8x^2-10x+10=0; $ $\dfrac{-5\pm\sqrt{105}}{8}$
105. $-9x^2-x+1=0; $ $\dfrac{-1\pm\sqrt{37}}{18}$
106. $-5x^2-3x-9=0; $ $\varnothing$
107. $3x^2+2x-8=0; $ $\dfrac{4}{3}; -2$
108. $-9x^2+5x-9=0; $ $\varnothing$
109. $-6x^2+4x+5=0; $ $\dfrac{2\pm\sqrt{34}}{6}$
110. $5x^2+10x+4=0; $ $\dfrac{-5\pm\sqrt{5}}{5}$
111. $x^2+5x-3=0; $ $\dfrac{-5\pm\sqrt{37}}{2}$
112. $-6x^2+9x+6=0; $ $2; -\dfrac{1}{2}$
113. $-4x^2+3x-1=0; $ $\varnothing$
114. $-7x^2+7x+9=0; $ $\dfrac{7\pm\sqrt{301}}{14}$
115. $10x^2-4x+9=0; $ $\varnothing$
116. $5x^2-8x-1=0; $ $\dfrac{4\pm\sqrt{21}}{5}$
117. $-10x^2+x+1=0; $ $\dfrac{1\pm\sqrt{41}}{20}$
118. $7x^2-x-2=0; $ $\dfrac{1\pm\sqrt{57}}{14}$
119. $-9x^2+10x+6=0; $ $\dfrac{5\pm\sqrt{79}}{9}$
120. $-3x^2+9x-7=0; $ $\varnothing$
121. $-8x^2+4x+2=0; $ $\dfrac{1\pm\sqrt{5}}{4}$
122. $5x^2+2x+7=0; $ $\varnothing$
123. $6x^2-2x-7=0; $ $\dfrac{1\pm\sqrt{43}}{6}$
124. $x^2-6x+3=0; $ $3\pm\sqrt{6}$
125. $3x^2+2x+8=0; $ $\varnothing$
126. $-5x^2-10x+4=0; $ $\dfrac{-5\pm3\sqrt{5}}{5}$
127. $-5x^2-5x-4=0; $ $\varnothing$
128. $9x^2-8x-3=0; $ $\dfrac{4\pm\sqrt{43}}{9}$
129. $-2x^2-9x+3=0; $ $\dfrac{-9\pm\sqrt{105}}{4}$
130. $7x^2+4x-7=0; $ $\dfrac{-2\pm\sqrt{53}}{7}$
131. $7x^2+6x-1=0; $ $\dfrac{1}{7}; -1$
132. $-3x^2+10x+6=0; $ $\dfrac{5\pm\sqrt{43}}{3}$
133. $-3x^2-7x-3=0; $ $\dfrac{-7\pm\sqrt{13}}{6}$
134. $5x^2-9x+5=0; $ $\varnothing$
135. $3x^2-9x+6=0; $ $2; 1$
136. $10x^2+9x+4=0; $ $\varnothing$
137. $-6x^2+2x+2=0; $ $\dfrac{1\pm\sqrt{13}}{6}$
138. $4x^2+7x-9=0; $ $\dfrac{-7\pm\sqrt{193}}{8}$
139. $x^2+4x-4=0; $ $-2\pm2\sqrt{2}$
140. $5x^2+2x+8=0; $ $\varnothing$
141. $6x^2-9x-4=0; $ $\dfrac{9\pm\sqrt{177}}{12}$
142. $-9x^2+x+9=0; $ $\dfrac{1\pm5\sqrt{13}}{18}$
143. $8x^2+x-8=0; $ $\dfrac{-1\pm\sqrt{257}}{16}$
144. $-6x^2+8x-7=0; $ $\varnothing$
145. $7x^2-7x-1=0; $ $\dfrac{7\pm\sqrt{77}}{14}$
146. $4x^2+2x-1=0; $ $\dfrac{-1\pm\sqrt{5}}{4}$
147. $10x^2-5x-4=0; $ $\dfrac{5\pm\sqrt{185}}{20}$
148. $4x^2-6x-8=0; $ $\dfrac{3\pm\sqrt{41}}{4}$
149. $-2x^2-7x-4=0; $ $\dfrac{-7\pm\sqrt{17}}{4}$
150. $-x^2-2x+2=0; $ $-1\pm\sqrt{3}$
151. $-6x^2-9x-6=0; $ $\varnothing$
152. $-10x^2+3x-4=0; $ $\varnothing$
153. $9x^2+7x-3=0; $ $\dfrac{-7\pm\sqrt{157}}{18}$
154. $5x^2-x-8=0; $ $\dfrac{1\pm\sqrt{161}}{10}$
155. $3x^2-4x+7=0; $ $\varnothing$
156. $-5x^2-9x-7=0; $ $\varnothing$
157. $9x^2-x-1=0; $ $\dfrac{1\pm\sqrt{37}}{18}$
158. $6x^2-9x-2=0; $ $\dfrac{9\pm\sqrt{129}}{12}$
159. $7x^2-10x+8=0; $ $\varnothing$
160. $2x^2-x-3=0; $ $\dfrac{3}{2}; -1$
161. $4x^2+4x-5=0; $ $\dfrac{-1\pm\sqrt{6}}{2}$
162. $-x^2-2x-9=0; $ $\varnothing$
163. $-6x^2-7x-8=0; $ $\varnothing$
164. $-10x^2-10x+7=0; $ $\dfrac{-5\pm\sqrt{95}}{10}$
165. $-10x^2-2x-2=0; $ $\varnothing$
166. $-x^2+10x+5=0; $ $5\pm\sqrt{30}$
167. $-6x^2+x+8=0; $ $\dfrac{1\pm\sqrt{193}}{12}$
168. $x^2+5x+4=0; $ $-1; -4$
169. $9x^2-9x+1=0; $ $\dfrac{3\pm\sqrt{5}}{6}$
170. $-4x^2-6x-10=0; $ $\varnothing$
171. $4x^2-10x+6=0; $ $\dfrac{3}{2}; 1$
172. $2x^2-8x-6=0; $ $2\pm\sqrt{7}$
173. $4x^2+8x-5=0; $ $\dfrac{1}{2}; -\dfrac{5}{2}$
174. $-x^2+9x+10=0; $ $10; -1$
175. $8x^2-4x-3=0; $ $\dfrac{1\pm\sqrt{7}}{4}$
176. $2x^2+2x+10=0; $ $\varnothing$
177. $8x^2-8x-8=0; $ $\dfrac{1\pm\sqrt{5}}{2}$
178. $-2x^2-10x+10=0; $ $\dfrac{-5\pm3\sqrt{5}}{2}$
179. $2x^2+6x-8=0; $ $1; -4$
180. $-3x^2-10x+5=0; $ $\dfrac{-5\pm2\sqrt{10}}{3}$
181. $5x^2+2x+9=0; $ $\varnothing$
182. $9x^2+6x+4=0; $ $\varnothing$
183. $10x^2-x-3=0; $ $\dfrac{3}{5}; -\dfrac{1}{2}$
184. $-3x^2-10x-8=0; $ $-\dfrac{4}{3}; -2$
185. $-x^2-5x-1=0; $ $\dfrac{-5\pm\sqrt{21}}{2}$
186. $8x^2-x+10=0; $ $\varnothing$
187. $5x^2+7x+10=0; $ $\varnothing$
188. $3x^2-9x+3=0; $ $\dfrac{3\pm\sqrt{5}}{2}$
189. $-2x^2-3x-9=0; $ $\varnothing$
190. $3x^2+6x+3=0; $ $-1$
191. $9x^2+6x-4=0; $ $\dfrac{-1\pm\sqrt{5}}{3}$
192. $-4x^2-6x+7=0; $ $\dfrac{-3\pm\sqrt{37}}{4}$
193. $x^2-2x-6=0; $ $1\pm\sqrt{7}$
194. $-7x^2-10x-8=0; $ $\varnothing$
195. $-x^2-6x-2=0; $ $-3\pm\sqrt{7}$
196. $4x^2-x-6=0; $ $\dfrac{1\pm\sqrt{97}}{8}$
197. $-2x^2-8x+1=0; $ $\dfrac{-4\pm3\sqrt{2}}{2}$
198. $-10x^2-4x-4=0; $ $\varnothing$
199. $-3x^2+9x+7=0; $ $\dfrac{9\pm\sqrt{165}}{6}$
200. $9x^2-9x-3=0; $ $\dfrac{3\pm\sqrt{21}}{6}$
201. $5x^2-5x+4=0; $ $\varnothing$
202. $-3x^2-2x-8=0; $ $\varnothing$
203. $7x^2-x+3=0; $ $\varnothing$
204. $10x^2-10x-7=0; $ $\dfrac{5\pm\sqrt{95}}{10}$
205. $-5x^2+9x+6=0; $ $\dfrac{9\pm\sqrt{201}}{10}$
206. $-5x^2+x+9=0; $ $\dfrac{1\pm\sqrt{181}}{10}$
207. $7x^2+10x+9=0; $ $\varnothing$
208. $-9x^2-5x-10=0; $ $\varnothing$
209. $-2x^2-6x+4=0; $ $\dfrac{-3\pm\sqrt{17}}{2}$
210. $3x^2-6x+6=0; $ $\varnothing$
211. $x^2+x-1=0; $ $\dfrac{-1\pm\sqrt{5}}{2}$
212. $-7x^2+9x-9=0; $ $\varnothing$
213. $7x^2-8x+9=0; $ $\varnothing$
214. $-8x^2-x-2=0; $ $\varnothing$
215. $9x^2-6x-2=0; $ $\dfrac{1\pm\sqrt{3}}{3}$
216. $10x^2+7x-8=0; $ $\dfrac{-7\pm3\sqrt{41}}{20}$
217. $4x^2-7x+4=0; $ $\varnothing$
218. $9x^2-7x+4=0; $ $\varnothing$
219. $x^2-2x-8=0; $ $4; -2$
220. $x^2+x-3=0; $ $\dfrac{-1\pm\sqrt{13}}{2}$
221. $8x^2-10x-5=0; $ $\dfrac{5\pm\sqrt{65}}{8}$
222. $5x^2+x+9=0; $ $\varnothing$
223. $-7x^2+5x-3=0; $ $\varnothing$
224. $9x^2-5x+6=0; $ $\varnothing$
225. $3x^2-3x+7=0; $ $\varnothing$
226. $9x^2+2x+8=0; $ $\varnothing$
227. $4x^2-5x-9=0; $ $\dfrac{9}{4}; -1$
228. $10x^2+3x+8=0; $ $\varnothing$
229. $-8x^2+10x-1=0; $ $\dfrac{5\pm\sqrt{17}}{8}$
230. $-8x^2-10x+8=0; $ $\dfrac{-5\pm\sqrt{89}}{8}$
231. $-2x^2-8x+8=0; $ $-2\pm2\sqrt{2}$
232. $3x^2-9x+10=0; $ $\varnothing$
233. $8x^2-5x-10=0; $ $\dfrac{5\pm\sqrt{345}}{16}$
234. $8x^2-3x-3=0; $ $\dfrac{3\pm\sqrt{105}}{16}$
235. $-8x^2-9x+2=0; $ $\dfrac{-9\pm\sqrt{145}}{16}$
236. $3x^2+7x-7=0; $ $\dfrac{-7\pm\sqrt{133}}{6}$
237. $2x^2+4x+7=0; $ $\varnothing$
238. $-5x^2-2x+4=0; $ $\dfrac{-1\pm\sqrt{21}}{5}$
239. $3x^2-2x+9=0; $ $\varnothing$
240. $-8x^2-10x-8=0; $ $\varnothing$
241. $8x^2+2x-6=0; $ $\dfrac{3}{4}; -1$
242. $2x^2+5x-10=0; $ $\dfrac{-5\pm\sqrt{105}}{4}$
243. $-9x^2-10x-7=0; $ $\varnothing$
244. $-6x^2-10x+3=0; $ $\dfrac{-5\pm\sqrt{43}}{6}$
245. $8x^2+x-7=0; $ $\dfrac{7}{8}; -1$
246. $-6x^2+7x-9=0; $ $\varnothing$
247. $-5x^2-5x+8=0; $ $\dfrac{-5\pm\sqrt{185}}{10}$
248. $10x^2-6x-7=0; $ $\dfrac{3\pm\sqrt{79}}{10}$
249. $3x^2-6x-10=0; $ $\dfrac{3\pm\sqrt{39}}{3}$
250. $6x^2+4x+3=0; $ $\varnothing$
251. $x^2+9x+9=0; $ $\dfrac{-9\pm3\sqrt{5}}{2}$
252. $-4x^2+3x+10=0; $ $2; -\dfrac{5}{4}$
253. $8x^2+5x+4=0; $ $\varnothing$
254. $x^2-2x-3=0; $ $3; -1$
255. $-10x^2-4x+5=0; $ $\dfrac{-2\pm3\sqrt{6}}{10}$
256. $x^2+3x-7=0; $ $\dfrac{-3\pm\sqrt{37}}{2}$
257. $10x^2-6x+6=0; $ $\varnothing$
258. $7x^2-6x+3=0; $ $\varnothing$
259. $3x^2-2x-4=0; $ $\dfrac{1\pm\sqrt{13}}{3}$
260. $8x^2-8x+4=0; $ $\varnothing$
261. $-9x^2-2x-8=0; $ $\varnothing$
262. $4x^2+9x+4=0; $ $\dfrac{-9\pm\sqrt{17}}{8}$
263. $8x^2-3x+5=0; $ $\varnothing$
264. $-4x^2+7x-2=0; $ $\dfrac{7\pm\sqrt{17}}{8}$
265. $-5x^2-5x-8=0; $ $\varnothing$
266. $x^2+4x-3=0; $ $-2\pm\sqrt{7}$
267. $-x^2-3x-4=0; $ $\varnothing$
268. $-7x^2-6x-8=0; $ $\varnothing$
269. $-9x^2+9x+9=0; $ $\dfrac{1\pm\sqrt{5}}{2}$
270. $-2x^2+5x+7=0; $ $\dfrac{7}{2}; -1$
271. $-2x^2+3x-3=0; $ $\varnothing$
272. $10x^2+9x-4=0; $ $\dfrac{-9\pm\sqrt{241}}{20}$
273. $6x^2-5x-9=0; $ $\dfrac{5\pm\sqrt{241}}{12}$
274. $10x^2+6x+6=0; $ $\varnothing$
275. $-8x^2+2x+7=0; $ $\dfrac{1\pm\sqrt{57}}{8}$
276. $-6x^2-6x-6=0; $ $\varnothing$
277. $3x^2-8x+7=0; $ $\varnothing$
278. $x^2-x-5=0; $ $\dfrac{1\pm\sqrt{21}}{2}$
279. $-x^2+7x+9=0; $ $\dfrac{7\pm\sqrt{85}}{2}$
280. $-6x^2-x+3=0; $ $\dfrac{-1\pm\sqrt{73}}{12}$
281. $3x^2+7x-9=0; $ $\dfrac{-7\pm\sqrt{157}}{6}$
282. $5x^2-10x-4=0; $ $\dfrac{5\pm3\sqrt{5}}{5}$
283. $3x^2-x+5=0; $ $\varnothing$
284. $3x^2-7x-2=0; $ $\dfrac{7\pm\sqrt{73}}{6}$
285. $-6x^2+9x-1=0; $ $\dfrac{9\pm\sqrt{57}}{12}$
286. $-5x^2+2x-9=0; $ $\varnothing$
287. $-10x^2+2x+2=0; $ $\dfrac{1\pm\sqrt{21}}{10}$
288. $-6x^2-10x-5=0; $ $\varnothing$
289. $x^2-7x+6=0; $ $6; 1$
290. $8x^2+5x-2=0; $ $\dfrac{-5\pm\sqrt{89}}{16}$
291. $2x^2-x-10=0; $ $\dfrac{5}{2}; -2$
292. $8x^2+8x+3=0; $ $\varnothing$
293. $-9x^2+5x+7=0; $ $\dfrac{5\pm\sqrt{277}}{18}$
294. $x^2-9x-4=0; $ $\dfrac{9\pm\sqrt{97}}{2}$
295. $-5x^2+9x+5=0; $ $\dfrac{9\pm\sqrt{181}}{10}$
296. $-x^2-10x-9=0; $ $-1; -9$
297. $2x^2-10x-10=0; $ $\dfrac{5\pm3\sqrt{5}}{2}$
298. $-10x^2+x+1=0; $ $\dfrac{1\pm\sqrt{41}}{20}$
299. $-7x^2+9x+2=0; $ $\dfrac{9\pm\sqrt{137}}{14}$
300. $7x^2+2x+4=0; $ $\varnothing$
301. $10x^2-x-10=0; $ $\dfrac{1\pm\sqrt{401}}{20}$
302. $3x^2-6x+6=0; $ $\varnothing$
303. $-10x^2+x-8=0; $ $\varnothing$
304. $-9x^2-9x-1=0; $ $\dfrac{-3\pm\sqrt{5}}{6}$
305. $-9x^2+2x-2=0; $ $\varnothing$
306. $4x^2-5x-2=0; $ $\dfrac{5\pm\sqrt{57}}{8}$
307. $x^2+8x+5=0; $ $-4\pm\sqrt{11}$
308. $-4x^2-3x-8=0; $ $\varnothing$
309. $-10x^2-9x-8=0; $ $\varnothing$
310. $5x^2+7x+8=0; $ $\varnothing$
311. $-8x^2-x-10=0; $ $\varnothing$
312. $6x^2+x-2=0; $ $\dfrac{1}{2}; -\dfrac{2}{3}$
313. $8x^2-2x-4=0; $ $\dfrac{1\pm\sqrt{33}}{8}$
314. $-x^2-10x+6=0; $ $-5\pm\sqrt{31}$
315. $-7x^2-10x-9=0; $ $\varnothing$
316. $8x^2+2x+6=0; $ $\varnothing$
317. $x^2-6x+7=0; $ $3\pm\sqrt{2}$
318. $-6x^2-7x+1=0; $ $\dfrac{-7\pm\sqrt{73}}{12}$
319. $-10x^2-7x-5=0; $ $\varnothing$
320. $-3x^2-8x+4=0; $ $\dfrac{-4\pm2\sqrt{7}}{3}$
321. $-8x^2-5x-1=0; $ $\varnothing$
322. $3x^2-6x-1=0; $ $\dfrac{3\pm2\sqrt{3}}{3}$
323. $3x^2+10x-1=0; $ $\dfrac{-5\pm2\sqrt{7}}{3}$
324. $-5x^2-7x+5=0; $ $\dfrac{-7\pm\sqrt{149}}{10}$
325. $2x^2+5x+4=0; $ $\varnothing$
326. $10x^2-7x-3=0; $ $1; -\dfrac{3}{10}$
327. $-5x^2+9x+10=0; $ $\dfrac{9\pm\sqrt{281}}{10}$
328. $-10x^2+x-9=0; $ $\varnothing$
329. $4x^2+5x+8=0; $ $\varnothing$
330. $6x^2+3x+1=0; $ $\varnothing$
331. $4x^2-7x+9=0; $ $\varnothing$
332. $9x^2+5x+3=0; $ $\varnothing$
333. $4x^2+6x+3=0; $ $\varnothing$
334. $-4x^2-7x+6=0; $ $\dfrac{-7\pm\sqrt{145}}{8}$
335. $-8x^2-x+9=0; $ $1; -\dfrac{9}{8}$
336. $10x^2-10x-7=0; $ $\dfrac{5\pm\sqrt{95}}{10}$
337. $-2x^2+4x+10=0; $ $1\pm\sqrt{6}$
338. $4x^2-8x+8=0; $ $\varnothing$
339. $-9x^2+6x+1=0; $ $\dfrac{1\pm\sqrt{2}}{3}$
340. $7x^2-3x+2=0; $ $\varnothing$
341. $-3x^2-5x+4=0; $ $\dfrac{-5\pm\sqrt{73}}{6}$
342. $-9x^2-5x-2=0; $ $\varnothing$
343. $3x^2+x-3=0; $ $\dfrac{-1\pm\sqrt{37}}{6}$
344. $-3x^2+8x-10=0; $ $\varnothing$
345. $-9x^2+4x-6=0; $ $\varnothing$
346. $-2x^2-10x-10=0; $ $\dfrac{-5\pm\sqrt{5}}{2}$
347. $3x^2-10x-4=0; $ $\dfrac{5\pm\sqrt{37}}{3}$
348. $-10x^2+6x-6=0; $ $\varnothing$
349. $4x^2+2x+2=0; $ $\varnothing$
350. $-4x^2+10x-3=0; $ $\dfrac{5\pm\sqrt{13}}{4}$
351. $2x^2+2x-2=0; $ $\dfrac{-1\pm\sqrt{5}}{2}$
352. $10x^2+x-7=0; $ $\dfrac{-1\pm\sqrt{281}}{20}$
353. $-4x^2+3x+8=0; $ $\dfrac{3\pm\sqrt{137}}{8}$
354. $3x^2-3x+8=0; $ $\varnothing$
355. $-6x^2+2x+2=0; $ $\dfrac{1\pm\sqrt{13}}{6}$
356. $-9x^2+2x+5=0; $ $\dfrac{1\pm\sqrt{46}}{9}$
357. $10x^2+4x+4=0; $ $\varnothing$
358. $x^2-2x+7=0; $ $\varnothing$
359. $6x^2+4x+9=0; $ $\varnothing$
360. $x^2-7x-1=0; $ $\dfrac{7\pm\sqrt{53}}{2}$
361. $-6x^2+7x-4=0; $ $\varnothing$
362. $10x^2+2x+8=0; $ $\varnothing$
363. $-7x^2-8x-3=0; $ $\varnothing$
364. $9x^2-5x-4=0; $ $1; -\dfrac{4}{9}$
365. $-6x^2+x+10=0; $ $\dfrac{1\pm\sqrt{241}}{12}$
366. $3x^2-7x+8=0; $ $\varnothing$
367. $-4x^2+x-7=0; $ $\varnothing$
368. $-3x^2+5x+4=0; $ $\dfrac{5\pm\sqrt{73}}{6}$
369. $-8x^2-5x+3=0; $ $\dfrac{3}{8}; -1$
370. $6x^2+4x-4=0; $ $\dfrac{-1\pm\sqrt{7}}{3}$
371. $7x^2+4x+9=0; $ $\varnothing$
372. $-3x^2-5x-7=0; $ $\varnothing$
373. $x^2+8x+8=0; $ $-4\pm2\sqrt{2}$
374. $7x^2-3x-2=0; $ $\dfrac{3\pm\sqrt{65}}{14}$
375. $-9x^2+10x-10=0; $ $\varnothing$
376. $-9x^2+10x+1=0; $ $\dfrac{5\pm\sqrt{34}}{9}$
377. $5x^2+8x+1=0; $ $\dfrac{-4\pm\sqrt{11}}{5}$
378. $-6x^2-6x-10=0; $ $\varnothing$
379. $-5x^2-7x+7=0; $ $\dfrac{-7\pm3\sqrt{21}}{10}$
380. $-x^2-10x-4=0; $ $-5\pm\sqrt{21}$
381. $-2x^2+6x-10=0; $ $\varnothing$
382. $-6x^2-6x+10=0; $ $\dfrac{-3\pm\sqrt{69}}{6}$
383. $4x^2-6x+3=0; $ $\varnothing$
384. $5x^2-3x-7=0; $ $\dfrac{3\pm\sqrt{149}}{10}$
385. $10x^2-6x+8=0; $ $\varnothing$
386. $-7x^2+3x+6=0; $ $\dfrac{3\pm\sqrt{177}}{14}$
387. $5x^2+2x-3=0; $ $\dfrac{3}{5}; -1$
388. $10x^2-6x+8=0; $ $\varnothing$
389. $-2x^2+6x-4=0; $ $2; 1$
390. $9x^2-10x+8=0; $ $\varnothing$
391. $-4x^2-10x-7=0; $ $\varnothing$
392. $-8x^2-3x+7=0; $ $\dfrac{-3\pm\sqrt{233}}{16}$
393. $6x^2-3x+4=0; $ $\varnothing$
394. $-4x^2-9x-9=0; $ $\varnothing$
395. $-3x^2+6x+8=0; $ $\dfrac{3\pm\sqrt{33}}{3}$
396. $3x^2-6x-9=0; $ $3; -1$
397. $-9x^2-4x-10=0; $ $\varnothing$
398. $-2x^2-8x-10=0; $ $\varnothing$
399. $3x^2+3x-9=0; $ $\dfrac{-1\pm\sqrt{13}}{2}$
400. $2x^2-9x-2=0; $ $\dfrac{9\pm\sqrt{97}}{4}$
math-public/kv_ur_vperemezhku.txt · Последнее изменение: 2016/07/04 21:12 — labreslav

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