| x² + 7x - 60 = 0 x1 = -12 , x2 = 5 | x² - 4x - 45 = 0 x1 = -5 , x2 = 9 |
| x² + 6x - 27 = 0 x1 = -9 , x2 = 3 | x² - 19x + 34 = 0 x1 = 2 , x2 = 17 |
| x² + 8x + 16 = 0 x1 = -4 , x2 = -4 | x² - 27x + 140 = 0 x1 = 7 , x2 = 20 |
| x² + 10x - 75 = 0 x1 = -15 , x2 = 5 | x² - 22x + 85 = 0 x1 = 5 , x2 = 17 |
| x² - 20x + 19 = 0 x1 = 1 , x2 = 19 | x² - 289 = 0 x1 = -17 , x2 = 17 |
| x² + 7x + 12 = 0 x1 = -4 , x2 = -3 | x² - x - 380 = 0 x1 = -19 , x2 = 20 |
| x² + 30x + 225 = 0 x1 = -15 , x2 = -15 | x² + 11x = 0 x1 = -11 , x2 = 0 |
| x² + 12x - 64 = 0 x1 = -16 , x2 = 4 | x² - 11x + 10 = 0 x1 = 1 , x2 = 10 |
| x² - 17x + 42 = 0 x1 = 3 , x2 = 14 | x² - 13x + 22 = 0 x1 = 2 , x2 = 11 |
| x² - 26x + 168 = 0 x1 = 12 , x2 = 14 | x² - 17x + 70 = 0 x1 = 7 , x2 = 10 |