| x² - 27x + 140 = 0 x1 = 7 , x2 = 20 | x² + 11x + 28 = 0 x1 = -7 , x2 = -4 |
| x² - 19x + 60 = 0 x1 = 4 , x2 = 15 | x² - 2x - 35 = 0 x1 = -5 , x2 = 7 |
| x² - 6x + 8 = 0 x1 = 2 , x2 = 4 | x² + 4x = 0 x1 = -4 , x2 = 0 |
| x² + 8x - 153 = 0 x1 = -17 , x2 = 9 | x² + 20x + 19 = 0 x1 = -19 , x2 = -1 |
| x² - 9x - 36 = 0 x1 = -3 , x2 = 12 | x² - 11x - 180 = 0 x1 = -9 , x2 = 20 |
| x² - 7x - 98 = 0 x1 = -7 , x2 = 14 | x² - 4x - 165 = 0 x1 = -11 , x2 = 15 |
| x² - 6x = 0 x1 = 0 , x2 = 6 | x² - 25x + 114 = 0 x1 = 6 , x2 = 19 |
| x² - 8x - 48 = 0 x1 = -4 , x2 = 12 | x² + 19x + 48 = 0 x1 = -16 , x2 = -3 |
| x² - 20x + 96 = 0 x1 = 8 , x2 = 12 | x² - 144 = 0 x1 = -12 , x2 = 12 |
| x² - 37x + 340 = 0 x1 = 17 , x2 = 20 | x² - 21x + 80 = 0 x1 = 5 , x2 = 16 |