| 6 | ||
a) | − 3 ? | |
| x − 2 |
| 6 | 3( x −2) | 6 − 3 x + 6 | 12 − 3x | |||||
... = | − | = | = | |||||
| x − 2 | x − 2 | x − 2 | x − 2 |
| 8 | 4 | 8 | 4 | ||||
+ | = | + | = ; x ≠ − 4 i x ≠ 4 | ||||
| x2 −16 | x − 4 | ( x − 4)*( x +4) | x − 4 |
| 8 | 4*( x + 4) | |||
= | + | = | ||
| (x − 4)*( x + 4) | ( x − 4)*( x + 4) |
| 8 + 4 x + 16 | 4 x + 24 | |||
= | = | |||
| ( x − 4)*( x + 4) | ( x − 4)*( x + 4) |