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