| x−2 | x−1 | |||
a) | − | |||
| x−3 | x+3 |
| 2x | 6x | |||
b) | + | |||
| 4x−1 | 3x−2 |
| 3x2+3x | x−1 | |||
c) | * | |||
| x2−1 | 6x |
| x+1 | x2−1 | |||
d) | : | |||
| 2x2+8x2 | 3x+12 |
| x − 2 | x − 1 | ||
− | = | ||
| x − 3 | x + 3 |
| ( x − 2)*( x + 3) − ( x − 1)*(x − 3) | ||
= | = | |
| ( x −3)*(x + 3) |
| x2 + 3 x −2 x − 6 − ( x2 − 3 x − x + 3) | ||
= | = | |
| x2 − 9 |
| 5 x − 9 | ||
= | ||
| x2 − 9 |