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