a+1 |
a2-a |
4 |
1-a2 |
a-1 |
a2+2a+1 |
a+1 |
a(a-1) |
4 |
(a+1)(a-1) |
(a+1)2 |
a-1 |
(a+1)2-4a |
a(a+1)(a-1) |
(a+1)2 |
a-1 |
(a-1)2 |
a(a+1)(a-1) |
(a+1)2 |
a-1 |
a+1 |
a |
a-1 |
a |
a |
a+2 |
1 |
a2+2a |
x2-y2 |
xy |
xy-y2 |
xy-x2 |
a2 |
a-2 |
4 |
a-2 |
4 |
a2+2a |
x2-4 |
x2-4x+4 |
2 |
x-2 |
x2+2x |
x-2 |
a |
a2-2a |
1 |
a-3 |
a-2 |
a2-9 |
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