| x² - 27x + 140 = 0 x1 = 7 , x2 = 20 | x² - 3x - 54 = 0 x1 = -6 , x2 = 9 |
| x² - 31x + 240 = 0 x1 = 15 , x2 = 16 | x² + 24x + 135 = 0 x1 = -15 , x2 = -9 |
| x² - 30x + 200 = 0 x1 = 10 , x2 = 20 | x² - 10x - 24 = 0 x1 = -2 , x2 = 12 |
| x² + 22x + 57 = 0 x1 = -19 , x2 = -3 | x² + 33x + 272 = 0 x1 = -17 , x2 = -16 |
| x² - 3x - 28 = 0 x1 = -4 , x2 = 7 | x² - 3x - 4 = 0 x1 = -1 , x2 = 4 |
| x² + 6x - 160 = 0 x1 = -16 , x2 = 10 | x² + 8x - 84 = 0 x1 = -14 , x2 = 6 |
| x² + 22x + 85 = 0 x1 = -17 , x2 = -5 | x² + 18x + 72 = 0 x1 = -12 , x2 = -6 |
| x² - 4 = 0 x1 = -2 , x2 = 2 | x² - 9x = 0 x1 = 0 , x2 = 9 |
| x² - 4x - 45 = 0 x1 = -5 , x2 = 9 | x² + 8x - 48 = 0 x1 = -12 , x2 = 4 |
| x² + 7x + 10 = 0 x1 = -5 , x2 = -2 | x² - 14x = 0 x1 = 0 , x2 = 14 |