a2-b2 |
a2b+ab2 |
a2+b2 |
2ab |
(a+b)(a-b) |
ab(a+b) |
2ab-a2-b2 |
2ab |
a-b |
ab |
2ab |
-(a-b)2 |
2 |
a-b |
2 |
-1-2 |
2 |
3 |
2ab-b2 |
a |
a-b |
a |
x-2 |
x2-1 |
2x+2 |
x2+2x+1 |
1 |
x-1 |
2 |
1 |
x-y |
1 |
x+y |
2x |
x2+2xy+y2 |
a |
ab-b2 |
b |
a2-ab |
a2+b2 |
2ab |
5 |
5 |
2 |
a-2 |
a2-a |
a2-4 |
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