| x² - 9x - 112 = 0 x1 = -7 , x2 = 16 | x² - 5x - 150 = 0 x1 = -10 , x2 = 15 |
| x² - 15x = 0 x1 = 0 , x2 = 15 | x² - 13x - 114 = 0 x1 = -6 , x2 = 19 |
| x² + 10x + 9 = 0 x1 = -9 , x2 = -1 | x² - 28x + 180 = 0 x1 = 10 , x2 = 18 |
| x² - 40x + 400 = 0 x1 = 20 , x2 = 20 | x² - 5x - 24 = 0 x1 = -3 , x2 = 8 |
| x² + 18x + 72 = 0 x1 = -12 , x2 = -6 | x² - x - 210 = 0 x1 = -14 , x2 = 15 |
| x² - 12x + 11 = 0 x1 = 1 , x2 = 11 | x² - 3x - 154 = 0 x1 = -11 , x2 = 14 |
| x² - 23x + 102 = 0 x1 = 6 , x2 = 17 | x² - 3x - 4 = 0 x1 = -1 , x2 = 4 |
| x² + 8x - 65 = 0 x1 = -13 , x2 = 5 | x² + 7x - 144 = 0 x1 = -16 , x2 = 9 |
| x² - 6x - 280 = 0 x1 = -14 , x2 = 20 | x² + 11x = 0 x1 = -11 , x2 = 0 |
| x² - 21x + 104 = 0 x1 = 8 , x2 = 13 | x² + 9x + 8 = 0 x1 = -8 , x2 = -1 |