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math-public:kv_ur_null_d
1. $-169x^2+208x-64=0; $ $\dfrac{8}{13}$
2. $-225x^2+60x-4=0; $ $\dfrac{2}{15}$
3. $169x^2+26x+1=0; $ $-\dfrac{1}{13}$
4. $-81x^2+72x-16=0; $ $\dfrac{4}{9}$
5. $-16x^2+136x-289=0; $ $\dfrac{17}{4}$
6. $-36x^2+12x-1=0; $ $\dfrac{1}{6}$
7. $-64x^2+64x-16=0; $ $\dfrac{1}{2}$
8. $4x^2+72x+324=0; $ $-9$
9. $169x^2+156x+36=0; $ $-\dfrac{6}{13}$
10. $121x^2+374x+289=0; $ $-\dfrac{17}{11}$
11. $-25x^2+150x-225=0; $ $3$
12. $-400x^2+360x-81=0; $ $\dfrac{9}{20}$
13. $-169x^2+416x-256=0; $ $\dfrac{16}{13}$
14. $256x^2+512x+256=0; $ $-1$
15. $-9x^2+6x-1=0; $ $\dfrac{1}{3}$
16. $256x^2+288x+81=0; $ $-\dfrac{9}{16}$
17. $-144x^2+192x-64=0; $ $\dfrac{2}{3}$
18. $4x^2+28x+49=0; $ $-\dfrac{7}{2}$
19. $-324x^2+72x-4=0; $ $\dfrac{1}{9}$
20. $25x^2+170x+289=0; $ $-\dfrac{17}{5}$
21. $81x^2+126x+49=0; $ $-\dfrac{7}{9}$
22. $-81x^2+162x-81=0; $ $1$
23. $-225x^2+540x-324=0; $ $\dfrac{6}{5}$
24. $-49x^2+14x-1=0; $ $\dfrac{1}{7}$
25. $-400x^2+600x-225=0; $ $\dfrac{3}{4}$
26. $-9x^2+42x-49=0; $ $\dfrac{7}{3}$
27. $-121x^2+352x-256=0; $ $\dfrac{16}{11}$
28. $-81x^2+252x-196=0; $ $\dfrac{14}{9}$
29. $81x^2+54x+9=0; $ $-\dfrac{1}{3}$
30. $25x^2+100x+100=0; $ $-2$
31. $361x^2+152x+16=0; $ $-\dfrac{4}{19}$
32. $324x^2+576x+256=0; $ $-\dfrac{8}{9}$
33. $-36x^2+108x-81=0; $ $\dfrac{3}{2}$
34. $-196x^2+420x-225=0; $ $\dfrac{15}{14}$
35. $x^2+40x+400=0; $ $-20$
36. $196x^2+112x+16=0; $ $-\dfrac{2}{7}$
37. $9x^2+120x+400=0; $ $-\dfrac{20}{3}$
38. $-361x^2+380x-100=0; $ $\dfrac{10}{19}$
39. $169x^2+286x+121=0; $ $-\dfrac{11}{13}$
40. $100x^2+160x+64=0; $ $-\dfrac{4}{5}$
41. $-4x^2+56x-196=0; $ $7$
42. $49x^2+112x+64=0; $ $-\dfrac{8}{7}$
43. $36x^2+156x+169=0; $ $-\dfrac{13}{6}$
44. $-81x^2+216x-144=0; $ $\dfrac{4}{3}$
45. $-361x^2+570x-225=0; $ $\dfrac{15}{19}$
46. $400x^2+600x+225=0; $ $-\dfrac{3}{4}$
47. $-36x^2+180x-225=0; $ $\dfrac{5}{2}$
48. $361x^2+646x+289=0; $ $-\dfrac{17}{19}$
49. $64x^2+32x+4=0; $ $-\dfrac{1}{4}$
50. $-361x^2+114x-9=0; $ $\dfrac{3}{19}$
51. $-225x^2+90x-9=0; $ $\dfrac{1}{5}$
52. $-100x^2+120x-36=0; $ $\dfrac{3}{5}$
53. $256x^2+192x+36=0; $ $-\dfrac{3}{8}$
54. $324x^2+540x+225=0; $ $-\dfrac{5}{6}$
55. $-16x^2+72x-81=0; $ $\dfrac{9}{4}$
56. $-64x^2+80x-25=0; $ $\dfrac{5}{8}$
57. $-x^2+24x-144=0; $ $12$
58. $-225x^2+240x-64=0; $ $\dfrac{8}{15}$
59. $-x^2+10x-25=0; $ $5$
60. $400x^2+240x+36=0; $ $-\dfrac{3}{10}$
61. $121x^2+220x+100=0; $ $-\dfrac{10}{11}$
62. $-289x^2+34x-1=0; $ $\dfrac{1}{17}$
63. $100x^2+80x+16=0; $ $-\dfrac{2}{5}$
64. $324x^2+288x+64=0; $ $-\dfrac{4}{9}$
65. $-121x^2+308x-196=0; $ $\dfrac{14}{11}$
66. $-9x^2+72x-144=0; $ $4$
67. $196x^2+56x+4=0; $ $-\dfrac{1}{7}$
68. $16x^2+120x+225=0; $ $-\dfrac{15}{4}$
69. $196x^2+168x+36=0; $ $-\dfrac{3}{7}$
70. $-400x^2+80x-4=0; $ $\dfrac{1}{10}$
71. $-49x^2+238x-289=0; $ $\dfrac{17}{7}$
72. $-400x^2+720x-324=0; $ $\dfrac{9}{10}$
73. $256x^2+96x+9=0; $ $-\dfrac{3}{16}$
74. $-256x^2+480x-225=0; $ $\dfrac{15}{16}$
75. $400x^2+480x+144=0; $ $-\dfrac{3}{5}$
76. $9x^2+84x+196=0; $ $-\dfrac{14}{3}$
77. $-100x^2+320x-256=0; $ $\dfrac{8}{5}$
78. $-9x^2+108x-324=0; $ $6$
79. $-361x^2+228x-36=0; $ $\dfrac{6}{19}$
80. $-144x^2+24x-1=0; $ $\dfrac{1}{12}$
81. $25x^2+80x+64=0; $ $-\dfrac{8}{5}$
82. $64x^2+272x+289=0; $ $-\dfrac{17}{8}$
83. $-x^2+26x-169=0; $ $13$
84. $-64x^2+256x-256=0; $ $2$
85. $-289x^2+510x-225=0; $ $\dfrac{15}{17}$
86. $-169x^2+468x-324=0; $ $\dfrac{18}{13}$
87. $-324x^2+504x-196=0; $ $\dfrac{7}{9}$
88. $324x^2+468x+169=0; $ $-\dfrac{13}{18}$
89. $144x^2+336x+196=0; $ $-\dfrac{7}{6}$
90. $256x^2+448x+196=0; $ $-\dfrac{7}{8}$
91. $9x^2+30x+25=0; $ $-\dfrac{5}{3}$
92. $9x^2+108x+324=0; $ $-6$
93. $-81x^2+306x-289=0; $ $\dfrac{17}{9}$
94. $144x^2+48x+4=0; $ $-\dfrac{1}{6}$
95. $-256x^2+576x-324=0; $ $\dfrac{9}{8}$
96. $25x^2+110x+121=0; $ $-\dfrac{11}{5}$
97. $289x^2+612x+324=0; $ $-\dfrac{18}{17}$
98. $-4x^2+68x-289=0; $ $\dfrac{17}{2}$
99. $256x^2+480x+225=0; $ $-\dfrac{15}{16}$
100. $144x^2+432x+324=0; $ $-\dfrac{3}{2}$
101. $-100x^2+220x-121=0; $ $\dfrac{11}{10}$
102. $-64x^2+160x-100=0; $ $\dfrac{5}{4}$
103. $-x^2+40x-400=0; $ $20$
104. $4x^2+24x+36=0; $ $-3$
105. $144x^2+120x+25=0; $ $-\dfrac{5}{12}$
106. $-49x^2+266x-361=0; $ $\dfrac{19}{7}$
107. $289x^2+544x+256=0; $ $-\dfrac{16}{17}$
108. $-169x^2+312x-144=0; $ $\dfrac{12}{13}$
109. $169x^2+260x+100=0; $ $-\dfrac{10}{13}$
110. $-400x^2+120x-9=0; $ $\dfrac{3}{20}$
111. $400x^2+120x+9=0; $ $-\dfrac{3}{20}$
112. $121x^2+22x+1=0; $ $-\dfrac{1}{11}$
113. $-100x^2+140x-49=0; $ $\dfrac{7}{10}$
114. $x^2+24x+144=0; $ $-12$
115. $-289x^2+646x-361=0; $ $\dfrac{19}{17}$
116. $x^2+20x+100=0; $ $-10$
117. $25x^2+160x+256=0; $ $-\dfrac{16}{5}$
118. $-25x^2+120x-144=0; $ $\dfrac{12}{5}$
119. $-25x^2+90x-81=0; $ $\dfrac{9}{5}$
120. $-324x^2+468x-169=0; $ $\dfrac{13}{18}$
121. $-361x^2+304x-64=0; $ $\dfrac{8}{19}$
122. $81x^2+36x+4=0; $ $-\dfrac{2}{9}$
123. $-169x^2+52x-4=0; $ $\dfrac{2}{13}$
124. $-x^2+38x-361=0; $ $19$
125. $25x^2+140x+196=0; $ $-\dfrac{14}{5}$
126. $-400x^2+760x-361=0; $ $\dfrac{19}{20}$
127. $100x^2+380x+361=0; $ $-\dfrac{19}{10}$
128. $81x^2+288x+256=0; $ $-\dfrac{16}{9}$
129. $-49x^2+84x-36=0; $ $\dfrac{6}{7}$
130. $121x^2+154x+49=0; $ $-\dfrac{7}{11}$
131. $16x^2+104x+169=0; $ $-\dfrac{13}{4}$
132. $64x^2+208x+169=0; $ $-\dfrac{13}{8}$
133. $36x^2+204x+289=0; $ $-\dfrac{17}{6}$
134. $49x^2+168x+144=0; $ $-\dfrac{12}{7}$
135. $25x^2+70x+49=0; $ $-\dfrac{7}{5}$
136. $-169x^2+78x-9=0; $ $\dfrac{3}{13}$
137. $324x^2+36x+1=0; $ $-\dfrac{1}{18}$
138. $400x^2+360x+81=0; $ $-\dfrac{9}{20}$
139. $-121x^2+22x-1=0; $ $\dfrac{1}{11}$
140. $-225x^2+330x-121=0; $ $\dfrac{11}{15}$
141. $-4x^2+52x-169=0; $ $\dfrac{13}{2}$
142. $225x^2+210x+49=0; $ $-\dfrac{7}{15}$
143. $256x^2+32x+1=0; $ $-\dfrac{1}{16}$
144. $4x^2+64x+256=0; $ $-8$
145. $25x^2+10x+1=0; $ $-\dfrac{1}{5}$
146. $81x^2+252x+196=0; $ $-\dfrac{14}{9}$
147. $324x^2+720x+400=0; $ $-\dfrac{10}{9}$
148. $324x^2+72x+4=0; $ $-\dfrac{1}{9}$
149. $289x^2+102x+9=0; $ $-\dfrac{3}{17}$
150. $-361x^2+760x-400=0; $ $\dfrac{20}{19}$
151. $-400x^2+200x-25=0; $ $\dfrac{1}{4}$
152. $121x^2+308x+196=0; $ $-\dfrac{14}{11}$
153. $16x^2+80x+100=0; $ $-\dfrac{5}{2}$
154. $361x^2+608x+256=0; $ $-\dfrac{16}{19}$
155. $-361x^2+342x-81=0; $ $\dfrac{9}{19}$
156. $-196x^2+280x-100=0; $ $\dfrac{5}{7}$
157. $-400x^2+320x-64=0; $ $\dfrac{2}{5}$
158. $361x^2+684x+324=0; $ $-\dfrac{18}{19}$
159. $4x^2+68x+289=0; $ $-\dfrac{17}{2}$
160. $121x^2+66x+9=0; $ $-\dfrac{3}{11}$
161. $-81x^2+270x-225=0; $ $\dfrac{5}{3}$
162. $4x^2+32x+64=0; $ $-4$
163. $-169x^2+494x-361=0; $ $\dfrac{19}{13}$
164. $-256x^2+544x-289=0; $ $\dfrac{17}{16}$
165. $169x^2+208x+64=0; $ $-\dfrac{8}{13}$
166. $36x^2+192x+256=0; $ $-\dfrac{8}{3}$
167. $-256x^2+352x-121=0; $ $\dfrac{11}{16}$
168. $256x^2+640x+400=0; $ $-\dfrac{5}{4}$
169. $x^2+32x+256=0; $ $-16$
170. $400x^2+680x+289=0; $ $-\dfrac{17}{20}$
171. $-81x^2+288x-256=0; $ $\dfrac{16}{9}$
172. $49x^2+280x+400=0; $ $-\dfrac{20}{7}$
173. $-400x^2+40x-1=0; $ $\dfrac{1}{20}$
174. $-9x^2+102x-289=0; $ $\dfrac{17}{3}$
175. $16x^2+88x+121=0; $ $-\dfrac{11}{4}$
176. $-289x^2+442x-169=0; $ $\dfrac{13}{17}$
177. $100x^2+240x+144=0; $ $-\dfrac{6}{5}$
178. $-64x^2+304x-361=0; $ $\dfrac{19}{8}$
179. $-361x^2+76x-4=0; $ $\dfrac{2}{19}$
180. $36x^2+36x+9=0; $ $-\dfrac{1}{2}$
181. $361x^2+38x+1=0; $ $-\dfrac{1}{19}$
182. $289x^2+34x+1=0; $ $-\dfrac{1}{17}$
183. $400x^2+720x+324=0; $ $-\dfrac{9}{10}$
184. $-4x^2+76x-361=0; $ $\dfrac{19}{2}$
185. $196x^2+84x+9=0; $ $-\dfrac{3}{14}$
186. $225x^2+420x+196=0; $ $-\dfrac{14}{15}$
187. $121x^2+418x+361=0; $ $-\dfrac{19}{11}$
188. $-81x^2+198x-121=0; $ $\dfrac{11}{9}$
189. $-100x^2+380x-361=0; $ $\dfrac{19}{10}$
190. $-49x^2+168x-144=0; $ $\dfrac{12}{7}$
191. $400x^2+280x+49=0; $ $-\dfrac{7}{20}$
192. $-36x^2+132x-121=0; $ $\dfrac{11}{6}$
193. $289x^2+238x+49=0; $ $-\dfrac{7}{17}$
194. $-324x^2+540x-225=0; $ $\dfrac{5}{6}$
195. $-169x^2+286x-121=0; $ $\dfrac{11}{13}$
196. $16x^2+136x+289=0; $ $-\dfrac{17}{4}$
197. $169x^2+520x+400=0; $ $-\dfrac{20}{13}$
198. $-4x^2+60x-225=0; $ $\dfrac{15}{2}$
199. $-64x^2+272x-289=0; $ $\dfrac{17}{8}$
200. $361x^2+760x+400=0; $ $-\dfrac{20}{19}$
201. $-169x^2+104x-16=0; $ $\dfrac{4}{13}$
202. $64x^2+304x+361=0; $ $-\dfrac{19}{8}$
203. $121x^2+44x+4=0; $ $-\dfrac{2}{11}$
204. $4x^2+44x+121=0; $ $-\dfrac{11}{2}$
205. $289x^2+510x+225=0; $ $-\dfrac{15}{17}$
206. $225x^2+60x+4=0; $ $-\dfrac{2}{15}$
207. $36x^2+132x+121=0; $ $-\dfrac{11}{6}$
208. $-25x^2+110x-121=0; $ $\dfrac{11}{5}$
209. $225x^2+480x+256=0; $ $-\dfrac{16}{15}$
210. $49x^2+238x+289=0; $ $-\dfrac{17}{7}$
211. $-144x^2+336x-196=0; $ $\dfrac{7}{6}$
212. $-121x^2+132x-36=0; $ $\dfrac{6}{11}$
213. $-81x^2+234x-169=0; $ $\dfrac{13}{9}$
214. $361x^2+76x+4=0; $ $-\dfrac{2}{19}$
215. $-256x^2+608x-361=0; $ $\dfrac{19}{16}$
216. $-16x^2+152x-361=0; $ $\dfrac{19}{4}$
217. $361x^2+304x+64=0; $ $-\dfrac{8}{19}$
218. $121x^2+132x+36=0; $ $-\dfrac{6}{11}$
219. $100x^2+340x+289=0; $ $-\dfrac{17}{10}$
220. $-169x^2+442x-289=0; $ $\dfrac{17}{13}$
221. $144x^2+192x+64=0; $ $-\dfrac{2}{3}$
222. $169x^2+104x+16=0; $ $-\dfrac{4}{13}$
223. $169x^2+390x+225=0; $ $-\dfrac{15}{13}$
224. $-289x^2+612x-324=0; $ $\dfrac{18}{17}$
225. $289x^2+374x+121=0; $ $-\dfrac{11}{17}$
226. $-100x^2+340x-289=0; $ $\dfrac{17}{10}$
227. $49x^2+266x+361=0; $ $-\dfrac{19}{7}$
228. $144x^2+312x+169=0; $ $-\dfrac{13}{12}$
229. $-64x^2+48x-9=0; $ $\dfrac{3}{8}$
230. $100x^2+20x+1=0; $ $-\dfrac{1}{10}$
231. $-361x^2+608x-256=0; $ $\dfrac{16}{19}$
232. $361x^2+190x+25=0; $ $-\dfrac{5}{19}$
233. $196x^2+476x+289=0; $ $-\dfrac{17}{14}$
234. $25x^2+190x+361=0; $ $-\dfrac{19}{5}$
235. $-225x^2+30x-1=0; $ $\dfrac{1}{15}$
236. $64x^2+176x+121=0; $ $-\dfrac{11}{8}$
237. $-144x^2+456x-361=0; $ $\dfrac{19}{12}$
238. $-400x^2+440x-121=0; $ $\dfrac{11}{20}$
239. $100x^2+260x+169=0; $ $-\dfrac{13}{10}$
240. $-9x^2+48x-64=0; $ $\dfrac{8}{3}$
241. $-25x^2+170x-289=0; $ $\dfrac{17}{5}$
242. $361x^2+228x+36=0; $ $-\dfrac{6}{19}$
243. $400x^2+40x+1=0; $ $-\dfrac{1}{20}$
244. $-361x^2+456x-144=0; $ $\dfrac{12}{19}$
245. $400x^2+760x+361=0; $ $-\dfrac{19}{20}$
246. $-x^2+30x-225=0; $ $15$
247. $-144x^2+408x-289=0; $ $\dfrac{17}{12}$
248. $289x^2+442x+169=0; $ $-\dfrac{13}{17}$
249. $9x^2+60x+100=0; $ $-\dfrac{10}{3}$
250. $4x^2+40x+100=0; $ $-5$
251. $-324x^2+396x-121=0; $ $\dfrac{11}{18}$
252. $-64x^2+208x-169=0; $ $\dfrac{13}{8}$
253. $-81x^2+342x-361=0; $ $\dfrac{19}{9}$
254. $324x^2+612x+289=0; $ $-\dfrac{17}{18}$
255. $-x^2+34x-289=0; $ $17$
256. $-36x^2+228x-361=0; $ $\dfrac{19}{6}$
257. $-121x^2+66x-9=0; $ $\dfrac{3}{11}$
258. $-36x^2+204x-289=0; $ $\dfrac{17}{6}$
259. $25x^2+90x+81=0; $ $-\dfrac{9}{5}$
260. $-196x^2+168x-36=0; $ $\dfrac{3}{7}$
261. $-4x^2+44x-121=0; $ $\dfrac{11}{2}$
262. $-9x^2+84x-196=0; $ $\dfrac{14}{3}$
263. $289x^2+680x+400=0; $ $-\dfrac{20}{17}$
264. $-256x^2+416x-169=0; $ $\dfrac{13}{16}$
265. $-121x^2+396x-324=0; $ $\dfrac{18}{11}$
266. $4x^2+36x+81=0; $ $-\dfrac{9}{2}$
267. $400x^2+440x+121=0; $ $-\dfrac{11}{20}$
268. $-25x^2+160x-256=0; $ $\dfrac{16}{5}$
269. $-64x^2+176x-121=0; $ $\dfrac{11}{8}$
270. $-4x^2+72x-324=0; $ $9$
271. $-169x^2+182x-49=0; $ $\dfrac{7}{13}$
272. $-361x^2+418x-121=0; $ $\dfrac{11}{19}$
273. $81x^2+90x+25=0; $ $-\dfrac{5}{9}$
274. $121x^2+352x+256=0; $ $-\dfrac{16}{11}$
275. $-256x^2+96x-9=0; $ $\dfrac{3}{16}$
276. $9x^2+78x+169=0; $ $-\dfrac{13}{3}$
277. $-x^2+32x-256=0; $ $16$
278. $9x^2+24x+16=0; $ $-\dfrac{4}{3}$
279. $-144x^2+120x-25=0; $ $\dfrac{5}{12}$
280. $-16x^2+112x-196=0; $ $\dfrac{7}{2}$
281. $-289x^2+476x-196=0; $ $\dfrac{14}{17}$
282. $-361x^2+646x-289=0; $ $\dfrac{17}{19}$
283. $196x^2+420x+225=0; $ $-\dfrac{15}{14}$
284. $289x^2+204x+36=0; $ $-\dfrac{6}{17}$
285. $-121x^2+418x-361=0; $ $\dfrac{19}{11}$
286. $289x^2+408x+144=0; $ $-\dfrac{12}{17}$
287. $-289x^2+68x-4=0; $ $\dfrac{2}{17}$
288. $-121x^2+154x-49=0; $ $\dfrac{7}{11}$
289. $144x^2+24x+1=0; $ $-\dfrac{1}{12}$
290. $-16x^2+56x-49=0; $ $\dfrac{7}{4}$
291. $25x^2+120x+144=0; $ $-\dfrac{12}{5}$
292. $361x^2+266x+49=0; $ $-\dfrac{7}{19}$
293. $-100x^2+260x-169=0; $ $\dfrac{13}{10}$
294. $64x^2+224x+196=0; $ $-\dfrac{7}{4}$
295. $49x^2+70x+25=0; $ $-\dfrac{5}{7}$
296. $-64x^2+112x-49=0; $ $\dfrac{7}{8}$
297. $64x^2+240x+225=0; $ $-\dfrac{15}{8}$
298. $-25x^2+140x-196=0; $ $\dfrac{14}{5}$
299. $-9x^2+120x-400=0; $ $\dfrac{20}{3}$
300. $49x^2+84x+36=0; $ $-\dfrac{6}{7}$
301. $361x^2+342x+81=0; $ $-\dfrac{9}{19}$
302. $-289x^2+408x-144=0; $ $\dfrac{12}{17}$
303. $-289x^2+340x-100=0; $ $\dfrac{10}{17}$
304. $49x^2+252x+324=0; $ $-\dfrac{18}{7}$
305. $-361x^2+152x-16=0; $ $\dfrac{4}{19}$
306. $225x^2+30x+1=0; $ $-\dfrac{1}{15}$
307. $-x^2+16x-64=0; $ $8$
308. $-4x^2+80x-400=0; $ $10$
309. $196x^2+252x+81=0; $ $-\dfrac{9}{14}$
310. $-16x^2+104x-169=0; $ $\dfrac{13}{4}$
311. $-196x^2+84x-9=0; $ $\dfrac{3}{14}$
312. $256x^2+576x+324=0; $ $-\dfrac{9}{8}$
313. $16x^2+72x+81=0; $ $-\dfrac{9}{4}$
314. $-121x^2+264x-144=0; $ $\dfrac{12}{11}$
315. $225x^2+390x+169=0; $ $-\dfrac{13}{15}$
316. $-49x^2+182x-169=0; $ $\dfrac{13}{7}$
317. $361x^2+494x+169=0; $ $-\dfrac{13}{19}$
318. $-121x^2+374x-289=0; $ $\dfrac{17}{11}$
319. $-361x^2+38x-1=0; $ $\dfrac{1}{19}$
320. $-289x^2+544x-256=0; $ $\dfrac{16}{17}$
321. $-289x^2+272x-64=0; $ $\dfrac{8}{17}$
322. $121x^2+88x+16=0; $ $-\dfrac{4}{11}$
323. $81x^2+360x+400=0; $ $-\dfrac{20}{9}$
324. $-289x^2+170x-25=0; $ $\dfrac{5}{17}$
325. $169x^2+78x+9=0; $ $-\dfrac{3}{13}$
326. $-324x^2+576x-256=0; $ $\dfrac{8}{9}$
327. $-324x^2+720x-400=0; $ $\dfrac{10}{9}$
328. $-100x^2+280x-196=0; $ $\dfrac{7}{5}$
329. $x^2+14x+49=0; $ $-7$
330. $169x^2+312x+144=0; $ $-\dfrac{12}{13}$
331. $-49x^2+252x-324=0; $ $\dfrac{18}{7}$
332. $256x^2+416x+169=0; $ $-\dfrac{13}{16}$
333. $-144x^2+168x-49=0; $ $\dfrac{7}{12}$
334. $121x^2+110x+25=0; $ $-\dfrac{5}{11}$
335. $9x^2+114x+361=0; $ $-\dfrac{19}{3}$
336. $289x^2+476x+196=0; $ $-\dfrac{14}{17}$
337. $-361x^2+532x-196=0; $ $\dfrac{14}{19}$
338. $x^2+22x+121=0; $ $-11$
339. $-361x^2+494x-169=0; $ $\dfrac{13}{19}$
340. $256x^2+160x+25=0; $ $-\dfrac{5}{16}$
341. $225x^2+330x+121=0; $ $-\dfrac{11}{15}$
342. $121x^2+396x+324=0; $ $-\dfrac{18}{11}$
343. $169x^2+468x+324=0; $ $-\dfrac{18}{13}$
344. $324x^2+684x+361=0; $ $-\dfrac{19}{18}$
345. $-81x^2+360x-400=0; $ $\dfrac{20}{9}$
346. $121x^2+198x+81=0; $ $-\dfrac{9}{11}$
347. $-121x^2+440x-400=0; $ $\dfrac{20}{11}$
348. $-225x^2+360x-144=0; $ $\dfrac{4}{5}$
349. $x^2+30x+225=0; $ $-15$
350. $-324x^2+360x-100=0; $ $\dfrac{5}{9}$
351. $121x^2+330x+225=0; $ $-\dfrac{15}{11}$
352. $-361x^2+190x-25=0; $ $\dfrac{5}{19}$
353. $81x^2+234x+169=0; $ $-\dfrac{13}{9}$
354. $361x^2+456x+144=0; $ $-\dfrac{12}{19}$
355. $-9x^2+96x-256=0; $ $\dfrac{16}{3}$
356. $-x^2+22x-121=0; $ $11$
357. $361x^2+418x+121=0; $ $-\dfrac{11}{19}$
358. $121x^2+440x+400=0; $ $-\dfrac{20}{11}$
359. $-36x^2+240x-400=0; $ $\dfrac{10}{3}$
360. $289x^2+306x+81=0; $ $-\dfrac{9}{17}$
361. $-9x^2+114x-361=0; $ $\dfrac{19}{3}$
362. $-225x^2+420x-196=0; $ $\dfrac{14}{15}$
363. $49x^2+126x+81=0; $ $-\dfrac{9}{7}$
364. $144x^2+264x+121=0; $ $-\dfrac{11}{12}$
365. $225x^2+510x+289=0; $ $-\dfrac{17}{15}$
366. $400x^2+520x+169=0; $ $-\dfrac{13}{20}$
367. $-289x^2+306x-81=0; $ $\dfrac{9}{17}$
368. $9x^2+102x+289=0; $ $-\dfrac{17}{3}$
369. $289x^2+68x+4=0; $ $-\dfrac{2}{17}$
370. $-324x^2+612x-289=0; $ $\dfrac{17}{18}$
371. $-400x^2+280x-49=0; $ $\dfrac{7}{20}$
372. $49x^2+56x+16=0; $ $-\dfrac{4}{7}$
373. $-196x^2+504x-324=0; $ $\dfrac{9}{7}$
374. $36x^2+168x+196=0; $ $-\dfrac{7}{3}$
375. $-81x^2+36x-4=0; $ $\dfrac{2}{9}$
376. $-49x^2+154x-121=0; $ $\dfrac{11}{7}$
377. $-289x^2+102x-9=0; $ $\dfrac{3}{17}$
378. $-x^2+36x-324=0; $ $18$
379. $-64x^2+240x-225=0; $ $\dfrac{15}{8}$
380. $-169x^2+234x-81=0; $ $\dfrac{9}{13}$
381. $64x^2+16x+1=0; $ $-\dfrac{1}{8}$
382. $144x^2+456x+361=0; $ $-\dfrac{19}{12}$
383. $196x^2+308x+121=0; $ $-\dfrac{11}{14}$
384. $-16x^2+88x-121=0; $ $\dfrac{11}{4}$
385. $196x^2+532x+361=0; $ $-\dfrac{19}{14}$
386. $361x^2+114x+9=0; $ $-\dfrac{3}{19}$
387. $-16x^2+120x-225=0; $ $\dfrac{15}{4}$
388. $-196x^2+448x-256=0; $ $\dfrac{8}{7}$
389. $-25x^2+180x-324=0; $ $\dfrac{18}{5}$
390. $x^2+26x+169=0; $ $-13$
391. $9x^2+66x+121=0; $ $-\dfrac{11}{3}$
392. $144x^2+408x+289=0; $ $-\dfrac{17}{12}$
393. $-25x^2+130x-169=0; $ $\dfrac{13}{5}$
394. $196x^2+28x+1=0; $ $-\dfrac{1}{14}$
395. $256x^2+320x+100=0; $ $-\dfrac{5}{8}$
396. $256x^2+224x+49=0; $ $-\dfrac{7}{16}$
397. $-121x^2+220x-100=0; $ $\dfrac{10}{11}$
398. $361x^2+532x+196=0; $ $-\dfrac{14}{19}$
399. $4x^2+60x+225=0; $ $-\dfrac{15}{2}$
400. $-196x^2+140x-25=0; $ $\dfrac{5}{14}$
math-public/kv_ur_null_d.txt · Последние изменения: 2016/07/04 21:14 — labreslav