(a+1)(a-2) |
a2-4a+4 |
a |
a2-2a |
a |
a-2 |
(a+1)(a-2) |
(a-2)2 |
a |
a(a-2) |
a |
a-2 |
a(a+1)-a |
a(a-2) |
a-2 |
a |
a |
a-2 |
a-2 |
a |
4-a2 |
a2+6a+9 |
a-2 |
2a+6 |
1 |
x+2 |
x2+2x+1 |
x2-4 |
a-b |
a |
2ab-b2 |
a |
x+1 |
x |
x |
x -1 |
1 |
x |
3 |
a-2b |
a2+3ab |
1 |
a2-9b2 |
a2-4ab+3b2 |
a |
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