1 |
x-1 |
1 |
x-1 |
1 |
2 |
1-x |
x2-2+x |
3 |
x+2 |
1 |
2 |
x-1+1 |
x-1 |
x-1-1 |
x-1 |
x |
x-1 |
x-1 |
x-2 |
x |
x-2 |
1 |
2 |
1 |
5 |
-(x-1) |
(x+2)(x-1) |
(x-2)(x+2)+3 |
x+2 |
1 |
x+2 |
x+2 |
x2-1 |
1 |
x2-1 |
1 |
2 |
4 |
3 |
a2-1 |
a |
1 |
a |
2 |
3 |
2 |
3 |
3 |
8 |
3 |
8 |
4 |
15 |
4 |
15 |
a |
b |
a |
b |
a2+2ab+b2 |
ab2+a2b |
a2 |
a-b |
b2 |
b-a |
x2-2x |
x2-1 |
2x-1 |
x+1 |
m |
m+n |
m |
m-n |
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