a2-b2 |
a2+ab |
2ab+b2 |
a |
a2-b2 |
a2+ab |
2ab+b2 |
a |
a-b |
a |
(a+b)2 |
a |
a-b |
(a+b)2 |
-2+1 |
(-2-1)2 |
1 |
9 |
4-a2 |
a2+4a+4 |
a2-2a |
a+2 |
1 |
a-1 |
a2-4 |
2a |
a |
2 |
2a-2 |
a |
4 |
a-2 |
3 |
2-a |
1 |
a2-a-2 |
a-4 |
a2-9 |
10a-19 |
a2-8a+16 |
1 |
a-3 |
2 |
1-x |
x(x2-1) |
x2-2x+1 |
m |
m+3 |
6 |
m2-9 |
2 |
m-3 |
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