| x² + x - 306 = 0 x1 = -18 , x2 = 17 | x² - 34x + 280 = 0 x1 = 14 , x2 = 20 |
| x² - 9 = 0 x1 = -3 , x2 = 3 | x² - 24x + 143 = 0 x1 = 11 , x2 = 13 |
| x² - 10x + 16 = 0 x1 = 2 , x2 = 8 | x² - 20x = 0 x1 = 0 , x2 = 20 |
| x² + 11x + 30 = 0 x1 = -6 , x2 = -5 | x² - 21x + 20 = 0 x1 = 1 , x2 = 20 |
| x² - 5x - 50 = 0 x1 = -5 , x2 = 10 | x² - 14x + 45 = 0 x1 = 5 , x2 = 9 |
| x² - 30x + 209 = 0 x1 = 11 , x2 = 19 | x² - 18x + 45 = 0 x1 = 3 , x2 = 15 |
| x² - 11x - 152 = 0 x1 = -8 , x2 = 19 | x² + 8x - 48 = 0 x1 = -12 , x2 = 4 |
| x² + 11x = 0 x1 = -11 , x2 = 0 | x² - 11x - 102 = 0 x1 = -6 , x2 = 17 |
| x² + 18x + 45 = 0 x1 = -15 , x2 = -3 | x² - x - 342 = 0 x1 = -18 , x2 = 19 |
| x² + 12x = 0 x1 = -12 , x2 = 0 | x² - 11x + 18 = 0 x1 = 2 , x2 = 9 |