| -3.5x² + 7x - 3.5 = 0 x1 = 1 , x2 = 1 | -5x² = 0 x1 = 0 , x2 = 0 |
| -10x² - 90x - 140 = 0 x1 = -7 , x2 = -2 | -9.5x² + 95x - 152 = 0 x1 = 2 , x2 = 8 |
| 8x² + 40x = 0 x1 = -5 , x2 = 0 | -6.5x² + 71.5x - 65 = 0 x1 = 1 , x2 = 10 |
| -5.5x² - 55x - 132 = 0 x1 = -6 , x2 = -4 | -2.5x² + 12.5x = 0 x1 = 0 , x2 = 5 |
| 6x² + 24x = 0 x1 = -4 , x2 = 0 | 7.5x² + 37.5x - 45 = 0 x1 = -6 , x2 = 1 |
| 7x² - 49x + 84 = 0 x1 = 3 , x2 = 4 | -2.5x² + 42.5x - 180 = 0 x1 = 8 , x2 = 9 |
| -5x² + 35x - 60 = 0 x1 = 3 , x2 = 4 | 3.5x² - 35x + 56 = 0 x1 = 2 , x2 = 8 |
| -8x² + 16x + 24 = 0 x1 = -1 , x2 = 3 | 5x² + 55x + 50 = 0 x1 = -10 , x2 = -1 |
| -8x² + 24x = 0 x1 = 0 , x2 = 3 | -9.5x² - 57x + 256.5 = 0 x1 = -9 , x2 = 3 |
| -9x² - 45x = 0 x1 = -5 , x2 = 0 | -7x² + 343 = 0 x1 = -7 , x2 = 7 |