| x² + 16x = 0 x1 = -16 , x2 = 0 | x² + 12x + 35 = 0 x1 = -7 , x2 = -5 |
| x² + 4x - 320 = 0 x1 = -20 , x2 = 16 | x² + 22x + 96 = 0 x1 = -16 , x2 = -6 |
| x² - 12x - 108 = 0 x1 = -6 , x2 = 18 | x² - 10x + 24 = 0 x1 = 4 , x2 = 6 |
| x² + 14x + 49 = 0 x1 = -7 , x2 = -7 | x² - 27x + 152 = 0 x1 = 8 , x2 = 19 |
| x² - 20x + 64 = 0 x1 = 4 , x2 = 16 | x² + 4x - 165 = 0 x1 = -15 , x2 = 11 |
| x² + 4x - 5 = 0 x1 = -5 , x2 = 1 | x² + 17x + 70 = 0 x1 = -10 , x2 = -7 |
| x² - 9x + 8 = 0 x1 = 1 , x2 = 8 | x² - 32x + 240 = 0 x1 = 12 , x2 = 20 |
| x² - 5x = 0 x1 = 0 , x2 = 5 | x² - 25x + 126 = 0 x1 = 7 , x2 = 18 |
| x² + 25x + 114 = 0 x1 = -19 , x2 = -6 | x² + 7x = 0 x1 = -7 , x2 = 0 |
| x² - 25x + 136 = 0 x1 = 8 , x2 = 17 | x² - 9x - 220 = 0 x1 = -11 , x2 = 20 |