1x−1 + 1x+3
x−2x−2 + x−31−x
4x+3+ 1−4xx2+3x
| x+3+(x−1) | |
| (x−1)(x+3) |
| 2x+2 | |
| (x−1)(x+3) |
| 2(x+1) | |
| (x−1)(x+3) |
| x−2 | x−3 | (x−2)(1−x) + (x−3)(x−2) | |||
+ | = | = | |||
| x−2 | 1−x | (x−2)(1−x) |
| x−x2−2+2x+x2−2x−3x+6 | −4x + 4 | 4(−x+1) | ||||
= | = | = | ||||
| (x−2)(1−x) | (x−2)(1−x) | (x−2)(1−x) |
| 4 | ||
| x−2 |