| x2−1 | (x−1)(x+1) | x+1 | |||
= | = | D=R\ {0,1} | |||
| x4−x3 | x3(x−1) | x3 |
| x2+4x | x(x+4) | x(x+4) | 1 | ||||
= | = | = | |||||
| x3+8x2+16x | x(x2+8x+16 | x(x+4)2 | x+4 |
| 3x−1 | x−7 | (3x−1)(2x−4)−x(x−7) | 6x2−12x−2x+4−x2+7x | ||||
− | = | = | |||||
| x | 2x−4 | x(2x−4) | x(2x−4) |
| 5x2−7x+4 | ||
= | D=R\{0,2} | |
| x(2x−4) |
| 32 | 20 | 8 | |||
+ 20 + | = | ||||
| x | x | 3 |
| 32+20x+20 | 8 | ||
= | |||
| x | 3 |