a+1 |
a-3 |
a-3 |
a+2 |
a2-6a+9 |
a2-4 |
a+1 |
a-3 |
a-3 |
a+2 |
(a-3)2 |
(a+2)(a-2) |
a+1 |
a-3 |
a-3 |
a+2 |
(a+2)(a-2) |
(a-3)2 |
a+1 |
a-3 |
a-2 |
a-3 |
3 |
a-3 |
1 |
2 |
n |
m+n |
m |
m-n |
2mn |
m2-n2 |
4 |
a2-2a |
a |
a-2 |
2 |
a |
a-b |
a |
2ab-b2 |
a |
x2-2x+1 |
x2-1 |
2x-2 |
(x+1)2 |
2 |
a+1 |
a-2 |
a2-1 |
a2-2a |
a2-2a+1 |
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