| x² + 11x = 0 x1 = -11 , x2 = 0 | x² - 3x - 180 = 0 x1 = -12 , x2 = 15 |
| x² + 14x + 48 = 0 x1 = -8 , x2 = -6 | x² - 13x - 114 = 0 x1 = -6 , x2 = 19 |
| x² + 17x + 60 = 0 x1 = -12 , x2 = -5 | x² + 24x + 128 = 0 x1 = -16 , x2 = -8 |
| x² + 25x + 144 = 0 x1 = -16 , x2 = -9 | x² + 12x + 27 = 0 x1 = -9 , x2 = -3 |
| x² + 6x - 16 = 0 x1 = -8 , x2 = 2 | x² - 16x = 0 x1 = 0 , x2 = 16 |
| x² - 27x + 182 = 0 x1 = 13 , x2 = 14 | x² + 13x - 90 = 0 x1 = -18 , x2 = 5 |
| x² + 17x + 30 = 0 x1 = -15 , x2 = -2 | x² + 11x - 102 = 0 x1 = -17 , x2 = 6 |
| x² - 10x + 9 = 0 x1 = 1 , x2 = 9 | x² + 9x + 18 = 0 x1 = -6 , x2 = -3 |
| x² - 4x = 0 x1 = 0 , x2 = 4 | x² - 27x + 140 = 0 x1 = 7 , x2 = 20 |
| x² - 11x = 0 x1 = 0 , x2 = 11 | x² - 9x - 220 = 0 x1 = -11 , x2 = 20 |