| x² + 6x - 72 = 0 x1 = -12 , x2 = 6 | x² + 23x + 76 = 0 x1 = -19 , x2 = -4 |
| x² - 15x - 34 = 0 x1 = -2 , x2 = 17 | x² + x - 210 = 0 x1 = -15 , x2 = 14 |
| x² + 31x + 234 = 0 x1 = -18 , x2 = -13 | x² - 39x + 380 = 0 x1 = 19 , x2 = 20 |
| x² - 17x - 60 = 0 x1 = -3 , x2 = 20 | x² - 1 = 0 x1 = -1 , x2 = 1 |
| x² - 7x - 144 = 0 x1 = -9 , x2 = 16 | x² + 34x + 288 = 0 x1 = -18 , x2 = -16 |
| x² + 15x = 0 x1 = -15 , x2 = 0 | x² - 28x + 195 = 0 x1 = 13 , x2 = 15 |
| x² + 19x + 34 = 0 x1 = -17 , x2 = -2 | x² - 30x + 209 = 0 x1 = 11 , x2 = 19 |
| x² + 30x + 221 = 0 x1 = -17 , x2 = -13 | x² - 3x - 304 = 0 x1 = -16 , x2 = 19 |
| x² - 10x - 119 = 0 x1 = -7 , x2 = 17 | x² + 19x - 20 = 0 x1 = -20 , x2 = 1 |
| x² - 28x + 180 = 0 x1 = 10 , x2 = 18 | x² - 2x - 35 = 0 x1 = -5 , x2 = 7 |