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— | math-public:kv_ur_plolzh_d [2016/07/04 21:13] (текущий) – создано labreslav |
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| | 1. | $2x^2+7x+4=0; $ | $\dfrac{-7\pm\sqrt{17}}{4}$ | |
| | 2. | $5x^2-x-8=0; $ | $\dfrac{1\pm\sqrt{161}}{10}$ | |
| | 3. | $-7x^2+9x+10=0; $ | $2; -\dfrac{5}{7}$ | |
| | 4. | $9x^2+9x-2=0; $ | $\dfrac{-3\pm\sqrt{17}}{6}$ | |
| | 5. | $6x^2+6x-10=0; $ | $\dfrac{-3\pm\sqrt{69}}{6}$ | |
| | 6. | $3x^2+x-8=0; $ | $\dfrac{-1\pm\sqrt{97}}{6}$ | |
| | 7. | $4x^2+7x-5=0; $ | $\dfrac{-7\pm\sqrt{129}}{8}$ | |
| | 8. | $x^2+6x-1=0; $ | $-3\pm\sqrt{10}$ | |
| | 9. | $2x^2-10x-6=0; $ | $\dfrac{5\pm\sqrt{37}}{2}$ | |
| | 10. | $x^2+7x-8=0; $ | $1; -8$ | |
| | 11. | $-2x^2+6x-3=0; $ | $\dfrac{3\pm\sqrt{3}}{2}$ | |
| | 12. | $10x^2+2x-3=0; $ | $\dfrac{-1\pm\sqrt{31}}{10}$ | |
| | 13. | $5x^2-10x-2=0; $ | $\dfrac{5\pm\sqrt{35}}{5}$ | |
| | 14. | $3x^2+9x+2=0; $ | $\dfrac{-9\pm\sqrt{57}}{6}$ | |
| | 15. | $x^2-8x+5=0; $ | $4\pm\sqrt{11}$ | |
| | 16. | $-5x^2-5x+8=0; $ | $\dfrac{-5\pm\sqrt{185}}{10}$ | |
| | 17. | $-8x^2+8x+4=0; $ | $\dfrac{1\pm\sqrt{3}}{2}$ | |
| | 18. | $-x^2+7x-9=0; $ | $\dfrac{7\pm\sqrt{13}}{2}$ | |
| | 19. | $-9x^2-6x+9=0; $ | $\dfrac{-1\pm\sqrt{10}}{3}$ | |
| | 20. | $3x^2+2x-8=0; $ | $\dfrac{4}{3}; -2$ | |
| | 21. | $5x^2+3x-6=0; $ | $\dfrac{-3\pm\sqrt{129}}{10}$ | |
| | 22. | $-9x^2-6x+3=0; $ | $\dfrac{1}{3}; -1$ | |
| | 23. | $-x^2-4x+1=0; $ | $-2\pm\sqrt{5}$ | |
| | 24. | $6x^2+7x-6=0; $ | $\dfrac{-7\pm\sqrt{193}}{12}$ | |
| | 25. | $-6x^2-7x+3=0; $ | $\dfrac{1}{3}; -\dfrac{3}{2}$ | |
| | 26. | $9x^2-5x-5=0; $ | $\dfrac{5\pm\sqrt{205}}{18}$ | |
| | 27. | $-10x^2+5x+8=0; $ | $\dfrac{5\pm\sqrt{345}}{20}$ | |
| | 28. | $-4x^2-7x-2=0; $ | $\dfrac{-7\pm\sqrt{17}}{8}$ | |
| | 29. | $2x^2-6x+2=0; $ | $\dfrac{3\pm\sqrt{5}}{2}$ | |
| | 30. | $-7x^2-x+10=0; $ | $\dfrac{-1\pm\sqrt{281}}{14}$ | |
| | 31. | $6x^2+10x-6=0; $ | $\dfrac{-5\pm\sqrt{61}}{6}$ | |
| | 32. | $9x^2-5x-10=0; $ | $\dfrac{5\pm\sqrt{385}}{18}$ | |
| | 33. | $-2x^2+10x-7=0; $ | $\dfrac{5\pm\sqrt{11}}{2}$ | |
| | 34. | $2x^2+6x-9=0; $ | $\dfrac{-3\pm3\sqrt{3}}{2}$ | |
| | 35. | $x^2-7x+4=0; $ | $\dfrac{7\pm\sqrt{33}}{2}$ | |
| | 36. | $8x^2+4x-1=0; $ | $\dfrac{-1\pm\sqrt{3}}{4}$ | |
| | 37. | $-4x^2-9x+7=0; $ | $\dfrac{-9\pm\sqrt{193}}{8}$ | |
| | 38. | $7x^2+8x-7=0; $ | $\dfrac{-4\pm\sqrt{65}}{7}$ | |
| | 39. | $3x^2+3x-10=0; $ | $\dfrac{-3\pm\sqrt{129}}{6}$ | |
| | 40. | $8x^2+8x-7=0; $ | $\dfrac{-2\pm3\sqrt{2}}{4}$ | |
| | 41. | $-6x^2+7x-2=0; $ | $\dfrac{2}{3}; \dfrac{1}{2}$ | |
| | 42. | $9x^2-5x-9=0; $ | $\dfrac{5\pm\sqrt{349}}{18}$ | |
| | 43. | $9x^2+2x-6=0; $ | $\dfrac{-1\pm\sqrt{55}}{9}$ | |
| | 44. | $-8x^2+5x+2=0; $ | $\dfrac{5\pm\sqrt{89}}{16}$ | |
| | 45. | $5x^2-4x-2=0; $ | $\dfrac{2\pm\sqrt{14}}{5}$ | |
| | 46. | $-5x^2+5x+5=0; $ | $\dfrac{1\pm\sqrt{5}}{2}$ | |
| | 47. | $4x^2-5x-1=0; $ | $\dfrac{5\pm\sqrt{41}}{8}$ | |
| | 48. | $-9x^2+8x+1=0; $ | $1; -\dfrac{1}{9}$ | |
| | 49. | $-5x^2-7x+3=0; $ | $\dfrac{-7\pm\sqrt{109}}{10}$ | |
| | 50. | $-4x^2-2x+10=0; $ | $\dfrac{-1\pm\sqrt{41}}{4}$ | |
| | 51. | $-x^2+7x-1=0; $ | $\dfrac{7\pm3\sqrt{5}}{2}$ | |
| | 52. | $-x^2-5x+9=0; $ | $\dfrac{-5\pm\sqrt{61}}{2}$ | |
| | 53. | $2x^2+7x+5=0; $ | $-1; -\dfrac{5}{2}$ | |
| | 54. | $6x^2+10x-10=0; $ | $\dfrac{-5\pm\sqrt{85}}{6}$ | |
| | 55. | $4x^2-10x+6=0; $ | $\dfrac{3}{2}; 1$ | |
| | 56. | $5x^2-3x-7=0; $ | $\dfrac{3\pm\sqrt{149}}{10}$ | |
| | 57. | $-4x^2+10x+1=0; $ | $\dfrac{5\pm\sqrt{29}}{4}$ | |
| | 58. | $-6x^2+2x+3=0; $ | $\dfrac{1\pm\sqrt{19}}{6}$ | |
| | 59. | $5x^2+8x-5=0; $ | $\dfrac{-4\pm\sqrt{41}}{5}$ | |
| | 60. | $6x^2-5x-5=0; $ | $\dfrac{5\pm\sqrt{145}}{12}$ | |
| | 61. | $-7x^2+6x+10=0; $ | $\dfrac{3\pm\sqrt{79}}{7}$ | |
| | 62. | $9x^2+2x-3=0; $ | $\dfrac{-1\pm2\sqrt{7}}{9}$ | |
| | 63. | $3x^2+5x-3=0; $ | $\dfrac{-5\pm\sqrt{61}}{6}$ | |
| | 64. | $-2x^2+8x+4=0; $ | $2\pm\sqrt{6}$ | |
| | 65. | $-3x^2+5x+10=0; $ | $\dfrac{5\pm\sqrt{145}}{6}$ | |
| | 66. | $6x^2+6x+1=0; $ | $\dfrac{-3\pm\sqrt{3}}{6}$ | |
| | 67. | $-x^2-9x-10=0; $ | $\dfrac{-9\pm\sqrt{41}}{2}$ | |
| | 68. | $-9x^2+x+4=0; $ | $\dfrac{1\pm\sqrt{145}}{18}$ | |
| | 69. | $-7x^2-8x+2=0; $ | $\dfrac{-4\pm\sqrt{30}}{7}$ | |
| | 70. | $2x^2-3x-8=0; $ | $\dfrac{3\pm\sqrt{73}}{4}$ | |
| | 71. | $8x^2-x-6=0; $ | $\dfrac{1\pm\sqrt{193}}{16}$ | |
| | 72. | $10x^2+8x-4=0; $ | $\dfrac{-2\pm\sqrt{14}}{5}$ | |
| | 73. | $2x^2-9x+10=0; $ | $\dfrac{5}{2}; 2$ | |
| | 74. | $-x^2+5x-5=0; $ | $\dfrac{5\pm\sqrt{5}}{2}$ | |
| | 75. | $-3x^2-7x+1=0; $ | $\dfrac{-7\pm\sqrt{61}}{6}$ | |
| | 76. | $5x^2+9x-9=0; $ | $\dfrac{-9\pm3\sqrt{29}}{10}$ | |
| | 77. | $9x^2-5x-8=0; $ | $\dfrac{5\pm\sqrt{313}}{18}$ | |
| | 78. | $-9x^2+6x+8=0; $ | $\dfrac{4}{3}; -\dfrac{2}{3}$ | |
| | 79. | $-7x^2-5x+6=0; $ | $\dfrac{-5\pm\sqrt{193}}{14}$ | |
| | 80. | $-2x^2-4x+6=0; $ | $1; -3$ | |
| | 81. | $x^2+6x-3=0; $ | $-3\pm2\sqrt{3}$ | |
| | 82. | $7x^2+2x-5=0; $ | $\dfrac{5}{7}; -1$ | |
| | 83. | $8x^2-6x-3=0; $ | $\dfrac{3\pm\sqrt{33}}{8}$ | |
| | 84. | $7x^2+10x-7=0; $ | $\dfrac{-5\pm\sqrt{74}}{7}$ | |
| | 85. | $x^2-5x-9=0; $ | $\dfrac{5\pm\sqrt{61}}{2}$ | |
| | 86. | $-3x^2+5x+8=0; $ | $\dfrac{8}{3}; -1$ | |
| | 87. | $x^2-6x+1=0; $ | $3\pm2\sqrt{2}$ | |
| | 88. | $-7x^2-x+2=0; $ | $\dfrac{-1\pm\sqrt{57}}{14}$ | |
| | 89. | $9x^2+9x-7=0; $ | $\dfrac{-3\pm\sqrt{37}}{6}$ | |
| | 90. | $-9x^2+4x+9=0; $ | $\dfrac{2\pm\sqrt{85}}{9}$ | |
| | 91. | $-8x^2-2x+7=0; $ | $\dfrac{-1\pm\sqrt{57}}{8}$ | |
| | 92. | $10x^2-x-1=0; $ | $\dfrac{1\pm\sqrt{41}}{20}$ | |
| | 93. | $-5x^2-6x-1=0; $ | $-\dfrac{1}{5}; -1$ | |
| | 94. | $-8x^2+5x+9=0; $ | $\dfrac{5\pm\sqrt{313}}{16}$ | |
| | 95. | $x^2+6x-7=0; $ | $1; -7$ | |
| | 96. | $x^2+6x-3=0; $ | $-3\pm2\sqrt{3}$ | |
| | 97. | $-3x^2-7x-3=0; $ | $\dfrac{-7\pm\sqrt{13}}{6}$ | |
| | 98. | $8x^2+x-6=0; $ | $\dfrac{-1\pm\sqrt{193}}{16}$ | |
| | 99. | $3x^2-7x-10=0; $ | $\dfrac{10}{3}; -1$ | |
| | 100. | $3x^2-5x-8=0; $ | $\dfrac{8}{3}; -1$ | |
| | 101. | $-x^2-8x-3=0; $ | $-4\pm\sqrt{13}$ | |
| | 102. | $-4x^2+3x+2=0; $ | $\dfrac{3\pm\sqrt{41}}{8}$ | |
| | 103. | $10x^2+10x-1=0; $ | $\dfrac{-5\pm\sqrt{35}}{10}$ | |
| | 104. | $-3x^2-6x+1=0; $ | $\dfrac{-3\pm2\sqrt{3}}{3}$ | |
| | 105. | $-10x^2-x+2=0; $ | $\dfrac{2}{5}; -\dfrac{1}{2}$ | |
| | 106. | $-4x^2+10x+7=0; $ | $\dfrac{5\pm\sqrt{53}}{4}$ | |
| | 107. | $-x^2+x+5=0; $ | $\dfrac{1\pm\sqrt{21}}{2}$ | |
| | 108. | $-x^2+10x-8=0; $ | $5\pm\sqrt{17}$ | |
| | 109. | $-2x^2+10x-2=0; $ | $\dfrac{5\pm\sqrt{21}}{2}$ | |
| | 110. | $-7x^2+10x-3=0; $ | $1; \dfrac{3}{7}$ | |
| | 111. | $4x^2+10x-4=0; $ | $\dfrac{-5\pm\sqrt{41}}{4}$ | |
| | 112. | $-7x^2+10x+3=0; $ | $\dfrac{5\pm\sqrt{46}}{7}$ | |
| | 113. | $6x^2+9x-7=0; $ | $\dfrac{-9\pm\sqrt{249}}{12}$ | |
| | 114. | $-7x^2+4x+3=0; $ | $1; -\dfrac{3}{7}$ | |
| | 115. | $2x^2-7x-2=0; $ | $\dfrac{7\pm\sqrt{65}}{4}$ | |
| | 116. | $3x^2-5x-7=0; $ | $\dfrac{5\pm\sqrt{109}}{6}$ | |
| | 117. | $-10x^2-4x+3=0; $ | $\dfrac{-2\pm\sqrt{34}}{10}$ | |
| | 118. | $-2x^2-5x+3=0; $ | $\dfrac{1}{2}; -3$ | |
| | 119. | $-x^2+5x-4=0; $ | $4; 1$ | |
| | 120. | $-7x^2-6x+6=0; $ | $\dfrac{-3\pm\sqrt{51}}{7}$ | |
| | 121. | $9x^2-2x-7=0; $ | $1; -\dfrac{7}{9}$ | |
| | 122. | $3x^2+9x+6=0; $ | $-1; -2$ | |
| | 123. | $-x^2+9x+10=0; $ | $10; -1$ | |
| | 124. | $8x^2-5x-6=0; $ | $\dfrac{5\pm\sqrt{217}}{16}$ | |
| | 125. | $x^2-x-9=0; $ | $\dfrac{1\pm\sqrt{37}}{2}$ | |
| | 126. | $4x^2+9x-6=0; $ | $\dfrac{-9\pm\sqrt{177}}{8}$ | |
| | 127. | $x^2-3x-2=0; $ | $\dfrac{3\pm\sqrt{17}}{2}$ | |
| | 128. | $9x^2-3x-10=0; $ | $\dfrac{1\pm\sqrt{41}}{6}$ | |
| | 129. | $-10x^2+5x+1=0; $ | $\dfrac{5\pm\sqrt{65}}{20}$ | |
| | 130. | $x^2+9x-6=0; $ | $\dfrac{-9\pm\sqrt{105}}{2}$ | |
| | 131. | $7x^2+6x-3=0; $ | $\dfrac{-3\pm\sqrt{30}}{7}$ | |
| | 132. | $-8x^2+7x+1=0; $ | $1; -\dfrac{1}{8}$ | |
| | 133. | $-x^2+10x+4=0; $ | $5\pm\sqrt{29}$ | |
| | 134. | $-10x^2+8x+4=0; $ | $\dfrac{2\pm\sqrt{14}}{5}$ | |
| | 135. | $-2x^2-9x-2=0; $ | $\dfrac{-9\pm\sqrt{65}}{4}$ | |
| | 136. | $3x^2-5x-8=0; $ | $\dfrac{8}{3}; -1$ | |
| | 137. | $-8x^2-x+1=0; $ | $\dfrac{-1\pm\sqrt{33}}{16}$ | |
| | 138. | $x^2+8x-5=0; $ | $-4\pm\sqrt{21}$ | |
| | 139. | $-x^2-6x-2=0; $ | $-3\pm\sqrt{7}$ | |
| | 140. | $6x^2-6x+1=0; $ | $\dfrac{3\pm\sqrt{3}}{6}$ | |
| | 141. | $8x^2-x-10=0; $ | $\dfrac{1\pm\sqrt{321}}{16}$ | |
| | 142. | $2x^2-8x-2=0; $ | $2\pm\sqrt{5}$ | |
| | 143. | $8x^2-9x-2=0; $ | $\dfrac{9\pm\sqrt{145}}{16}$ | |
| | 144. | $9x^2-6x-5=0; $ | $\dfrac{1\pm\sqrt{6}}{3}$ | |
| | 145. | $-8x^2-7x+4=0; $ | $\dfrac{-7\pm\sqrt{177}}{16}$ | |
| | 146. | $2x^2-6x-4=0; $ | $\dfrac{3\pm\sqrt{17}}{2}$ | |
| | 147. | $-3x^2-9x-6=0; $ | $-1; -2$ | |
| | 148. | $-3x^2+8x+7=0; $ | $\dfrac{4\pm\sqrt{37}}{3}$ | |
| | 149. | $10x^2-4x-1=0; $ | $\dfrac{2\pm\sqrt{14}}{10}$ | |
| | 150. | $3x^2+10x-5=0; $ | $\dfrac{-5\pm2\sqrt{10}}{3}$ | |
| | 151. | $5x^2+6x-1=0; $ | $\dfrac{-3\pm\sqrt{14}}{5}$ | |
| | 152. | $-x^2-8x-3=0; $ | $-4\pm\sqrt{13}$ | |
| | 153. | $-9x^2+3x+2=0; $ | $\dfrac{2}{3}; -\dfrac{1}{3}$ | |
| | 154. | $2x^2-10x+1=0; $ | $\dfrac{5\pm\sqrt{23}}{2}$ | |
| | 155. | $8x^2+9x-9=0; $ | $\dfrac{-9\pm3\sqrt{41}}{16}$ | |
| | 156. | $-5x^2-8x+8=0; $ | $\dfrac{-4\pm2\sqrt{14}}{5}$ | |
| | 157. | $9x^2+3x-6=0; $ | $\dfrac{2}{3}; -1$ | |
| | 158. | $2x^2-2x-5=0; $ | $\dfrac{1\pm\sqrt{11}}{2}$ | |
| | 159. | $-9x^2+5x+2=0; $ | $\dfrac{5\pm\sqrt{97}}{18}$ | |
| | 160. | $-x^2+4x+7=0; $ | $2\pm\sqrt{11}$ | |
| | 161. | $-2x^2-5x+8=0; $ | $\dfrac{-5\pm\sqrt{89}}{4}$ | |
| | 162. | $7x^2+x-6=0; $ | $\dfrac{6}{7}; -1$ | |
| | 163. | $3x^2+5x-9=0; $ | $\dfrac{-5\pm\sqrt{133}}{6}$ | |
| | 164. | $-3x^2-10x-2=0; $ | $\dfrac{-5\pm\sqrt{19}}{3}$ | |
| | 165. | $6x^2+4x-6=0; $ | $\dfrac{-1\pm\sqrt{10}}{3}$ | |
| | 166. | $-8x^2+3x+7=0; $ | $\dfrac{3\pm\sqrt{233}}{16}$ | |
| | 167. | $-5x^2-5x+5=0; $ | $\dfrac{-1\pm\sqrt{5}}{2}$ | |
| | 168. | $-x^2-6x-5=0; $ | $-1; -5$ | |
| | 169. | $4x^2+2x-9=0; $ | $\dfrac{-1\pm\sqrt{37}}{4}$ | |
| | 170. | $8x^2-8x-8=0; $ | $\dfrac{1\pm\sqrt{5}}{2}$ | |
| | 171. | $7x^2+4x-7=0; $ | $\dfrac{-2\pm\sqrt{53}}{7}$ | |
| | 172. | $-8x^2+9x+5=0; $ | $\dfrac{9\pm\sqrt{241}}{16}$ | |
| | 173. | $4x^2+x-9=0; $ | $\dfrac{-1\pm\sqrt{145}}{8}$ | |
| | 174. | $2x^2+4x-10=0; $ | $-1\pm\sqrt{6}$ | |
| | 175. | $-6x^2-x+7=0; $ | $1; -\dfrac{7}{6}$ | |
| | 176. | $-6x^2-8x-1=0; $ | $\dfrac{-4\pm\sqrt{10}}{6}$ | |
| | 177. | $-x^2+4x+3=0; $ | $2\pm\sqrt{7}$ | |
| | 178. | $-6x^2-8x+1=0; $ | $\dfrac{-4\pm\sqrt{22}}{6}$ | |
| | 179. | $6x^2+6x-5=0; $ | $\dfrac{-3\pm\sqrt{39}}{6}$ | |
| | 180. | $-4x^2-7x+3=0; $ | $\dfrac{-7\pm\sqrt{97}}{8}$ | |
| | 181. | $-x^2-5x-2=0; $ | $\dfrac{-5\pm\sqrt{17}}{2}$ | |
| | 182. | $x^2+6x-6=0; $ | $-3\pm\sqrt{15}$ | |
| | 183. | $-x^2+7x-3=0; $ | $\dfrac{7\pm\sqrt{37}}{2}$ | |
| | 184. | $9x^2+9x+2=0; $ | $-\dfrac{1}{3}; -\dfrac{2}{3}$ | |
| | 185. | $-10x^2+4x+7=0; $ | $\dfrac{2\pm\sqrt{74}}{10}$ | |
| | 186. | $10x^2+5x-7=0; $ | $\dfrac{-5\pm\sqrt{305}}{20}$ | |
| | 187. | $-2x^2+4x+1=0; $ | $\dfrac{2\pm\sqrt{6}}{2}$ | |
| | 188. | $x^2-7x-9=0; $ | $\dfrac{7\pm\sqrt{85}}{2}$ | |
| | 189. | $-4x^2+5x+5=0; $ | $\dfrac{5\pm\sqrt{105}}{8}$ | |
| | 190. | $2x^2+7x-5=0; $ | $\dfrac{-7\pm\sqrt{89}}{4}$ | |
| | 191. | $2x^2+8x-8=0; $ | $-2\pm2\sqrt{2}$ | |
| | 192. | $4x^2-7x-10=0; $ | $\dfrac{7\pm\sqrt{209}}{8}$ | |
| | 193. | $-6x^2+9x-2=0; $ | $\dfrac{9\pm\sqrt{33}}{12}$ | |
| | 194. | $6x^2+8x-8=0; $ | $\dfrac{2}{3}; -2$ | |
| | 195. | $-7x^2+4x+2=0; $ | $\dfrac{2\pm3\sqrt{2}}{7}$ | |
| | 196. | $-2x^2+5x+10=0; $ | $\dfrac{5\pm\sqrt{105}}{4}$ | |
| | 197. | $3x^2-5x+1=0; $ | $\dfrac{5\pm\sqrt{13}}{6}$ | |
| | 198. | $6x^2+6x+1=0; $ | $\dfrac{-3\pm\sqrt{3}}{6}$ | |
| | 199. | $-x^2+2x+8=0; $ | $4; -2$ | |
| | 200. | $-8x^2+x+4=0; $ | $\dfrac{1\pm\sqrt{129}}{16}$ | |
| | 201. | $8x^2+6x-10=0; $ | $\dfrac{-3\pm\sqrt{89}}{8}$ | |
| | 202. | $9x^2+10x-3=0; $ | $\dfrac{-5\pm2\sqrt{13}}{9}$ | |
| | 203. | $-x^2+x+8=0; $ | $\dfrac{1\pm\sqrt{33}}{2}$ | |
| | 204. | $-7x^2-8x+5=0; $ | $\dfrac{-4\pm\sqrt{51}}{7}$ | |
| | 205. | $-3x^2+9x-6=0; $ | $2; 1$ | |
| | 206. | $-5x^2-5x+1=0; $ | $\dfrac{-5\pm3\sqrt{5}}{10}$ | |
| | 207. | $9x^2+5x-3=0; $ | $\dfrac{-5\pm\sqrt{133}}{18}$ | |
| | 208. | $-10x^2+2x+1=0; $ | $\dfrac{1\pm\sqrt{11}}{10}$ | |
| | 209. | $-5x^2+x+5=0; $ | $\dfrac{1\pm\sqrt{101}}{10}$ | |
| | 210. | $-x^2-8x+9=0; $ | $1; -9$ | |
| | 211. | $7x^2-8x-2=0; $ | $\dfrac{4\pm\sqrt{30}}{7}$ | |
| | 212. | $3x^2-7x-10=0; $ | $\dfrac{10}{3}; -1$ | |
| | 213. | $2x^2-6x-10=0; $ | $\dfrac{3\pm\sqrt{29}}{2}$ | |
| | 214. | $9x^2+6x-8=0; $ | $\dfrac{2}{3}; -\dfrac{4}{3}$ | |
| | 215. | $-6x^2-6x+4=0; $ | $\dfrac{-3\pm\sqrt{33}}{6}$ | |
| | 216. | $-3x^2-6x+4=0; $ | $\dfrac{-3\pm\sqrt{21}}{3}$ | |
| | 217. | $-5x^2-3x+2=0; $ | $\dfrac{2}{5}; -1$ | |
| | 218. | $8x^2+6x-10=0; $ | $\dfrac{-3\pm\sqrt{89}}{8}$ | |
| | 219. | $10x^2-2x-8=0; $ | $1; -\dfrac{4}{5}$ | |
| | 220. | $-7x^2-8x+8=0; $ | $\dfrac{-4\pm6\sqrt{2}}{7}$ | |
| | 221. | $-x^2-3x+3=0; $ | $\dfrac{-3\pm\sqrt{21}}{2}$ | |
| | 222. | $-8x^2+7x+2=0; $ | $\dfrac{7\pm\sqrt{113}}{16}$ | |
| | 223. | $2x^2-9x-5=0; $ | $5; -\dfrac{1}{2}$ | |
| | 224. | $6x^2-4x-7=0; $ | $\dfrac{2\pm\sqrt{46}}{6}$ | |
| | 225. | $4x^2-9x-9=0; $ | $3; -\dfrac{3}{4}$ | |
| | 226. | $7x^2+2x-7=0; $ | $\dfrac{-1\pm5\sqrt{2}}{7}$ | |
| | 227. | $-9x^2-8x+7=0; $ | $\dfrac{-4\pm\sqrt{79}}{9}$ | |
| | 228. | $-6x^2-4x+5=0; $ | $\dfrac{-2\pm\sqrt{34}}{6}$ | |
| | 229. | $-7x^2+7x+6=0; $ | $\dfrac{7\pm\sqrt{217}}{14}$ | |
| | 230. | $-9x^2+4x+6=0; $ | $\dfrac{2\pm\sqrt{58}}{9}$ | |
| | 231. | $-9x^2+6x+2=0; $ | $\dfrac{1\pm\sqrt{3}}{3}$ | |
| | 232. | $10x^2+10x-10=0; $ | $\dfrac{-1\pm\sqrt{5}}{2}$ | |
| | 233. | $-x^2+10x-1=0; $ | $5\pm2\sqrt{6}$ | |
| | 234. | $-3x^2-3x+7=0; $ | $\dfrac{-3\pm\sqrt{93}}{6}$ | |
| | 235. | $10x^2+x-10=0; $ | $\dfrac{-1\pm\sqrt{401}}{20}$ | |
| | 236. | $4x^2-x-7=0; $ | $\dfrac{1\pm\sqrt{113}}{8}$ | |
| | 237. | $8x^2+x-4=0; $ | $\dfrac{-1\pm\sqrt{129}}{16}$ | |
| | 238. | $5x^2-10x-5=0; $ | $1\pm\sqrt{2}$ | |
| | 239. | $-x^2-x+9=0; $ | $\dfrac{-1\pm\sqrt{37}}{2}$ | |
| | 240. | $6x^2+4x-2=0; $ | $\dfrac{1}{3}; -1$ | |
| | 241. | $-x^2-7x-8=0; $ | $\dfrac{-7\pm\sqrt{17}}{2}$ | |
| | 242. | $-x^2-6x-4=0; $ | $-3\pm\sqrt{5}$ | |
| | 243. | $-x^2-5x-5=0; $ | $\dfrac{-5\pm\sqrt{5}}{2}$ | |
| | 244. | $7x^2+10x+2=0; $ | $\dfrac{-5\pm\sqrt{11}}{7}$ | |
| | 245. | $4x^2+10x-6=0; $ | $\dfrac{1}{2}; -3$ | |
| | 246. | $6x^2-x-8=0; $ | $\dfrac{1\pm\sqrt{193}}{12}$ | |
| | 247. | $3x^2+8x-2=0; $ | $\dfrac{-4\pm\sqrt{22}}{3}$ | |
| | 248. | $3x^2+8x-5=0; $ | $\dfrac{-4\pm\sqrt{31}}{3}$ | |
| | 249. | $3x^2+5x+2=0; $ | $-\dfrac{2}{3}; -1$ | |
| | 250. | $6x^2-10x-8=0; $ | $\dfrac{5\pm\sqrt{73}}{6}$ | |
| | 251. | $2x^2-5x-1=0; $ | $\dfrac{5\pm\sqrt{33}}{4}$ | |
| | 252. | $-5x^2+5x+6=0; $ | $\dfrac{5\pm\sqrt{145}}{10}$ | |
| | 253. | $3x^2+5x+1=0; $ | $\dfrac{-5\pm\sqrt{13}}{6}$ | |
| | 254. | $-8x^2-2x+4=0; $ | $\dfrac{-1\pm\sqrt{33}}{8}$ | |
| | 255. | $-9x^2+7x+3=0; $ | $\dfrac{7\pm\sqrt{157}}{18}$ | |
| | 256. | $-9x^2-8x+7=0; $ | $\dfrac{-4\pm\sqrt{79}}{9}$ | |
| | 257. | $6x^2+10x-7=0; $ | $\dfrac{-5\pm\sqrt{67}}{6}$ | |
| | 258. | $-7x^2+x+10=0; $ | $\dfrac{1\pm\sqrt{281}}{14}$ | |
| | 259. | $-3x^2+10x-6=0; $ | $\dfrac{5\pm\sqrt{7}}{3}$ | |
| | 260. | $8x^2+2x-4=0; $ | $\dfrac{-1\pm\sqrt{33}}{8}$ | |
| | 261. | $5x^2-8x-6=0; $ | $\dfrac{4\pm\sqrt{46}}{5}$ | |
| | 262. | $-10x^2+7x+9=0; $ | $\dfrac{7\pm\sqrt{409}}{20}$ | |
| | 263. | $10x^2-9x+2=0; $ | $\dfrac{1}{2}; \dfrac{2}{5}$ | |
| | 264. | $-3x^2+7x+10=0; $ | $\dfrac{10}{3}; -1$ | |
| | 265. | $3x^2-4x-9=0; $ | $\dfrac{2\pm\sqrt{31}}{3}$ | |
| | 266. | $-10x^2+x+6=0; $ | $\dfrac{1\pm\sqrt{241}}{20}$ | |
| | 267. | $-7x^2-8x+5=0; $ | $\dfrac{-4\pm\sqrt{51}}{7}$ | |
| | 268. | $4x^2+9x-8=0; $ | $\dfrac{-9\pm\sqrt{209}}{8}$ | |
| | 269. | $x^2+8x+2=0; $ | $-4\pm\sqrt{14}$ | |
| | 270. | $6x^2-6x-2=0; $ | $\dfrac{3\pm\sqrt{21}}{6}$ | |
| | 271. | $10x^2-10x+1=0; $ | $\dfrac{5\pm\sqrt{15}}{10}$ | |
| | 272. | $x^2-5x-9=0; $ | $\dfrac{5\pm\sqrt{61}}{2}$ | |
| | 273. | $2x^2-6x+2=0; $ | $\dfrac{3\pm\sqrt{5}}{2}$ | |
| | 274. | $x^2+5x+5=0; $ | $\dfrac{-5\pm\sqrt{5}}{2}$ | |
| | 275. | $5x^2+6x-6=0; $ | $\dfrac{-3\pm\sqrt{39}}{5}$ | |
| | 276. | $3x^2-3x-10=0; $ | $\dfrac{3\pm\sqrt{129}}{6}$ | |
| | 277. | $-2x^2+7x+3=0; $ | $\dfrac{7\pm\sqrt{73}}{4}$ | |
| | 278. | $5x^2+7x-3=0; $ | $\dfrac{-7\pm\sqrt{109}}{10}$ | |
| | 279. | $x^2-9x+1=0; $ | $\dfrac{9\pm\sqrt{77}}{2}$ | |
| | 280. | $-2x^2+4x+3=0; $ | $\dfrac{2\pm\sqrt{10}}{2}$ | |
| | 281. | $6x^2-3x-8=0; $ | $\dfrac{3\pm\sqrt{201}}{12}$ | |
| | 282. | $-x^2-7x-6=0; $ | $-1; -6$ | |
| | 283. | $-4x^2+3x+9=0; $ | $\dfrac{3\pm3\sqrt{17}}{8}$ | |
| | 284. | $3x^2-7x+1=0; $ | $\dfrac{7\pm\sqrt{37}}{6}$ | |
| | 285. | $-7x^2-4x+5=0; $ | $\dfrac{-2\pm\sqrt{39}}{7}$ | |
| | 286. | $x^2-9x-7=0; $ | $\dfrac{9\pm\sqrt{109}}{2}$ | |
| | 287. | $7x^2-x-1=0; $ | $\dfrac{1\pm\sqrt{29}}{14}$ | |
| | 288. | $-5x^2-4x+8=0; $ | $\dfrac{-2\pm2\sqrt{11}}{5}$ | |
| | 289. | $7x^2+6x-8=0; $ | $\dfrac{-3\pm\sqrt{65}}{7}$ | |
| | 290. | $-3x^2+8x+8=0; $ | $\dfrac{4\pm2\sqrt{10}}{3}$ | |
| | 291. | $-5x^2+3x+2=0; $ | $1; -\dfrac{2}{5}$ | |
| | 292. | $-8x^2+8x+10=0; $ | $\dfrac{1\pm\sqrt{6}}{2}$ | |
| | 293. | $6x^2-10x+2=0; $ | $\dfrac{5\pm\sqrt{13}}{6}$ | |
| | 294. | $x^2-8x+5=0; $ | $4\pm\sqrt{11}$ | |
| | 295. | $5x^2+3x-3=0; $ | $\dfrac{-3\pm\sqrt{69}}{10}$ | |
| | 296. | $8x^2+2x-7=0; $ | $\dfrac{-1\pm\sqrt{57}}{8}$ | |
| | 297. | $5x^2-6x+1=0; $ | $1; \dfrac{1}{5}$ | |
| | 298. | $4x^2-7x-2=0; $ | $2; -\dfrac{1}{4}$ | |
| | 299. | $10x^2+9x-3=0; $ | $\dfrac{-9\pm\sqrt{201}}{20}$ | |
| | 300. | $4x^2+7x-10=0; $ | $\dfrac{-7\pm\sqrt{209}}{8}$ | |
| | 301. | $-9x^2-4x+1=0; $ | $\dfrac{-2\pm\sqrt{13}}{9}$ | |
| | 302. | $-2x^2+x+2=0; $ | $\dfrac{1\pm\sqrt{17}}{4}$ | |
| | 303. | $3x^2-x-8=0; $ | $\dfrac{1\pm\sqrt{97}}{6}$ | |
| | 304. | $-6x^2+10x-4=0; $ | $1; \dfrac{2}{3}$ | |
| | 305. | $7x^2+3x-5=0; $ | $\dfrac{-3\pm\sqrt{149}}{14}$ | |
| | 306. | $-7x^2+10x+1=0; $ | $\dfrac{5\pm4\sqrt{2}}{7}$ | |
| | 307. | $8x^2+3x-7=0; $ | $\dfrac{-3\pm\sqrt{233}}{16}$ | |
| | 308. | $-10x^2+9x+1=0; $ | $1; -\dfrac{1}{10}$ | |
| | 309. | $-10x^2+8x+10=0; $ | $\dfrac{2\pm\sqrt{29}}{5}$ | |
| | 310. | $-6x^2-8x+4=0; $ | $\dfrac{-2\pm\sqrt{10}}{3}$ | |
| | 311. | $-3x^2-10x+9=0; $ | $\dfrac{-5\pm2\sqrt{13}}{3}$ | |
| | 312. | $-8x^2+7x+10=0; $ | $\dfrac{7\pm3\sqrt{41}}{16}$ | |
| | 313. | $3x^2-5x-4=0; $ | $\dfrac{5\pm\sqrt{73}}{6}$ | |
| | 314. | $9x^2-10x+2=0; $ | $\dfrac{5\pm\sqrt{7}}{9}$ | |
| | 315. | $8x^2-5x-5=0; $ | $\dfrac{5\pm\sqrt{185}}{16}$ | |
| | 316. | $8x^2+10x-6=0; $ | $\dfrac{-5\pm\sqrt{73}}{8}$ | |
| | 317. | $-8x^2-10x+8=0; $ | $\dfrac{-5\pm\sqrt{89}}{8}$ | |
| | 318. | $7x^2-2x-7=0; $ | $\dfrac{1\pm5\sqrt{2}}{7}$ | |
| | 319. | $5x^2-8x-5=0; $ | $\dfrac{4\pm\sqrt{41}}{5}$ | |
| | 320. | $-2x^2+9x-4=0; $ | $4; \dfrac{1}{2}$ | |
| | 321. | $-8x^2-6x+2=0; $ | $\dfrac{1}{4}; -1$ | |
| | 322. | $-8x^2-6x-1=0; $ | $-\dfrac{1}{4}; -\dfrac{1}{2}$ | |
| | 323. | $9x^2-x-8=0; $ | $1; -\dfrac{8}{9}$ | |
| | 324. | $x^2-6x+6=0; $ | $3\pm\sqrt{3}$ | |
| | 325. | $-x^2+9x+8=0; $ | $\dfrac{9\pm\sqrt{113}}{2}$ | |
| | 326. | $7x^2-x-7=0; $ | $\dfrac{1\pm\sqrt{197}}{14}$ | |
| | 327. | $6x^2-2x-5=0; $ | $\dfrac{1\pm\sqrt{31}}{6}$ | |
| | 328. | $10x^2+9x-9=0; $ | $\dfrac{3}{5}; -\dfrac{3}{2}$ | |
| | 329. | $x^2+7x+5=0; $ | $\dfrac{-7\pm\sqrt{29}}{2}$ | |
| | 330. | $-9x^2+9x+3=0; $ | $\dfrac{3\pm\sqrt{21}}{6}$ | |
| | 331. | $9x^2-9x-8=0; $ | $\dfrac{3\pm\sqrt{41}}{6}$ | |
| | 332. | $-x^2+5x-6=0; $ | $3; 2$ | |
| | 333. | $6x^2-2x-6=0; $ | $\dfrac{1\pm\sqrt{37}}{6}$ | |
| | 334. | $6x^2+3x-5=0; $ | $\dfrac{-3\pm\sqrt{129}}{12}$ | |
| | 335. | $6x^2-5x-2=0; $ | $\dfrac{5\pm\sqrt{73}}{12}$ | |
| | 336. | $-4x^2-10x-1=0; $ | $\dfrac{-5\pm\sqrt{21}}{4}$ | |
| | 337. | $9x^2-2x-5=0; $ | $\dfrac{1\pm\sqrt{46}}{9}$ | |
| | 338. | $-2x^2-3x+5=0; $ | $1; -\dfrac{5}{2}$ | |
| | 339. | $7x^2-8x-4=0; $ | $\dfrac{4\pm2\sqrt{11}}{7}$ | |
| | 340. | $-8x^2-5x+4=0; $ | $\dfrac{-5\pm3\sqrt{17}}{16}$ | |
| | 341. | $7x^2+9x-4=0; $ | $\dfrac{-9\pm\sqrt{193}}{14}$ | |
| | 342. | $-9x^2+10x+6=0; $ | $\dfrac{5\pm\sqrt{79}}{9}$ | |
| | 343. | $-3x^2-4x-1=0; $ | $-\dfrac{1}{3}; -1$ | |
| | 344. | $8x^2+2x-2=0; $ | $\dfrac{-1\pm\sqrt{17}}{8}$ | |
| | 345. | $4x^2-3x-5=0; $ | $\dfrac{3\pm\sqrt{89}}{8}$ | |
| | 346. | $-2x^2-10x-10=0; $ | $\dfrac{-5\pm\sqrt{5}}{2}$ | |
| | 347. | $-2x^2+4x+3=0; $ | $\dfrac{2\pm\sqrt{10}}{2}$ | |
| | 348. | $7x^2+8x-5=0; $ | $\dfrac{-4\pm\sqrt{51}}{7}$ | |
| | 349. | $4x^2+8x+3=0; $ | $-\dfrac{1}{2}; -\dfrac{3}{2}$ | |
| | 350. | $-x^2+9x+2=0; $ | $\dfrac{9\pm\sqrt{89}}{2}$ | |
| | 351. | $-7x^2-3x+7=0; $ | $\dfrac{-3\pm\sqrt{205}}{14}$ | |
| | 352. | $-3x^2+x+1=0; $ | $\dfrac{1\pm\sqrt{13}}{6}$ | |
| | 353. | $-2x^2+7x+9=0; $ | $\dfrac{9}{2}; -1$ | |
| | 354. | $2x^2+8x+7=0; $ | $\dfrac{-4\pm\sqrt{2}}{2}$ | |
| | 355. | $-8x^2+10x-2=0; $ | $1; \dfrac{1}{4}$ | |
| | 356. | $x^2+10x-5=0; $ | $-5\pm\sqrt{30}$ | |
| | 357. | $-8x^2+10x+2=0; $ | $\dfrac{5\pm\sqrt{41}}{8}$ | |
| | 358. | $9x^2-x-2=0; $ | $\dfrac{1\pm\sqrt{73}}{18}$ | |
| | 359. | $5x^2+5x-7=0; $ | $\dfrac{-5\pm\sqrt{165}}{10}$ | |
| | 360. | $-4x^2+6x-2=0; $ | $1; \dfrac{1}{2}$ | |
| | 361. | $10x^2-2x-6=0; $ | $\dfrac{1\pm\sqrt{61}}{10}$ | |
| | 362. | $-x^2-6x-1=0; $ | $-3\pm2\sqrt{2}$ | |
| | 363. | $7x^2-9x-8=0; $ | $\dfrac{9\pm\sqrt{305}}{14}$ | |
| | 364. | $4x^2-10x-8=0; $ | $\dfrac{5\pm\sqrt{57}}{4}$ | |
| | 365. | $-4x^2-7x+9=0; $ | $\dfrac{-7\pm\sqrt{193}}{8}$ | |
| | 366. | $-7x^2-8x+1=0; $ | $\dfrac{-4\pm\sqrt{23}}{7}$ | |
| | 367. | $-8x^2+x+10=0; $ | $\dfrac{1\pm\sqrt{321}}{16}$ | |
| | 368. | $-7x^2+6x+4=0; $ | $\dfrac{3\pm\sqrt{37}}{7}$ | |
| | 369. | $-2x^2+5x-2=0; $ | $2; \dfrac{1}{2}$ | |
| | 370. | $-4x^2-6x+4=0; $ | $\dfrac{1}{2}; -2$ | |
| | 371. | $3x^2+9x+3=0; $ | $\dfrac{-3\pm\sqrt{5}}{2}$ | |
| | 372. | $7x^2-8x-3=0; $ | $\dfrac{4\pm\sqrt{37}}{7}$ | |
| | 373. | $-6x^2-4x+8=0; $ | $\dfrac{-1\pm\sqrt{13}}{3}$ | |
| | 374. | $3x^2-10x+6=0; $ | $\dfrac{5\pm\sqrt{7}}{3}$ | |
| | 375. | $10x^2+2x-7=0; $ | $\dfrac{-1\pm\sqrt{71}}{10}$ | |
| | 376. | $-8x^2+8x+3=0; $ | $\dfrac{2\pm\sqrt{10}}{4}$ | |
| | 377. | $5x^2+2x-2=0; $ | $\dfrac{-1\pm\sqrt{11}}{5}$ | |
| | 378. | $x^2+3x-2=0; $ | $\dfrac{-3\pm\sqrt{17}}{2}$ | |
| | 379. | $-8x^2-6x+6=0; $ | $\dfrac{-3\pm\sqrt{57}}{8}$ | |
| | 380. | $-4x^2+5x-1=0; $ | $1; \dfrac{1}{4}$ | |
| | 381. | $8x^2-10x-8=0; $ | $\dfrac{5\pm\sqrt{89}}{8}$ | |
| | 382. | $-8x^2+8x+1=0; $ | $\dfrac{2\pm\sqrt{6}}{4}$ | |
| | 383. | $-10x^2+9x+2=0; $ | $\dfrac{9\pm\sqrt{161}}{20}$ | |
| | 384. | $-4x^2+6x-2=0; $ | $1; \dfrac{1}{2}$ | |
| | 385. | $x^2+10x-3=0; $ | $-5\pm2\sqrt{7}$ | |
| | 386. | $-10x^2-8x+1=0; $ | $\dfrac{-4\pm\sqrt{26}}{10}$ | |
| | 387. | $-x^2+5x+9=0; $ | $\dfrac{5\pm\sqrt{61}}{2}$ | |
| | 388. | $2x^2+10x+1=0; $ | $\dfrac{-5\pm\sqrt{23}}{2}$ | |
| | 389. | $9x^2-8x-8=0; $ | $\dfrac{4\pm2\sqrt{22}}{9}$ | |
| | 390. | $7x^2+6x-1=0; $ | $\dfrac{1}{7}; -1$ | |
| | 391. | $5x^2+8x-9=0; $ | $\dfrac{-4\pm\sqrt{61}}{5}$ | |
| | 392. | $5x^2+10x-9=0; $ | $\dfrac{-5\pm\sqrt{70}}{5}$ | |
| | 393. | $-x^2-3x-2=0; $ | $-1; -2$ | |
| | 394. | $-7x^2-6x+7=0; $ | $\dfrac{-3\pm\sqrt{58}}{7}$ | |
| | 395. | $-3x^2+6x+8=0; $ | $\dfrac{3\pm\sqrt{33}}{3}$ | |
| | 396. | $-6x^2-4x+9=0; $ | $\dfrac{-2\pm\sqrt{58}}{6}$ | |
| | 397. | $-x^2+9x+2=0; $ | $\dfrac{9\pm\sqrt{89}}{2}$ | |
| | 398. | $-8x^2-2x+4=0; $ | $\dfrac{-1\pm\sqrt{33}}{8}$ | |
| | 399. | $-7x^2-9x+7=0; $ | $\dfrac{-9\pm\sqrt{277}}{14}$ | |
| | 400. | $2x^2-7x+5=0; $ | $\dfrac{5}{2}; 1$ | |