1 |
x-1 |
1 |
x2-1 |
A.1 | B.x+1 | C.
| D.
|
1 |
x-1 |
1 |
x2-1 |
x-1+1 |
x-1 |
x2-1+1 |
x2-1 |
x |
x-1 |
(x+1)(x-1) |
x2 |
x+1 |
x |
3-x |
x-2 |
13-4x |
x-2 |
x2+3 |
x2-1 |
x-1 |
x+1 |
3 |
x3+8 |
x2+4x+4 |
x3-8 |
x2-4 |
x3-6x2+9x |
x2-x-6 |
x2 |
x2-2 |
1 | ||||
1-
|
1 |
1-x |
1 |
1+x |
x |
x2-1 |
3 |
3 |
x2-y2 |
x2y+xy2 |
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