3x |
x-1 |
x |
x+1 |
x2-1 |
x |
x-1 |
x2-4x+4 |
x2-4 |
x2-1 |
3x(x+1)-x(x-1) |
x2-1 |
x2-1 |
x |
3x2+3x-x2+x |
x |
x-1 |
(x-2)2 |
(x+2)(x-2) |
(x+1)(x-1) |
x+2 |
x2-x-2 |
3+2 |
32-3-2 |
5 |
4 |
x2-2x+1 |
x2-1 |
x-1 |
x2+x |
x-1 |
x2+x |
x2-2x+1 |
x2-1 |
1 |
x |
1 |
x-1 |
x |
x2-1 |
x-2 |
x+2 |
4x |
x2-4 |
1 |
x2-4 |
1 |
x-1 |
1 |
x+1 |
x-1 |
x |
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