x2-1 |
x2-2x+1 |
1-x |
x+1 |
x |
x-1 |
(x+1)(x-1) |
(x-1)2 |
x-1 |
x+1 |
x-1 |
x |
x+1 |
x |
(x-1)2 |
x(x+1) |
(x+1)2-(x-1)2 |
x(x+1) |
4x |
x(x+1) |
4 |
x+1 |
4 |
x+1 |
4 |
a-1 |
3 |
a+1 |
a |
a2-1 |
a2-4 |
a2-4a+4 |
1 |
2-a |
a2 |
a2-2a |
1 |
a |
1 |
b |
1 |
a |
1 |
b |
2 |
a+b |
b |
a |
a |
b |
x2-2xy+y2 |
x2-xy |
x |
y |
y |
x |
3 |
3 |
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