3 |
x2-2x+1 |
x2-1 |
x-3 |
x+1 |
x2-2x+1 |
x2-1 |
x-3 |
x+1 |
(x-1)2 |
(x+1)(x-1) |
x+1 |
x+1 |
x-3 |
x+1 |
(x-1)2 |
(x+1)(x-1) |
2(x-1) |
x+1 |
(x-1)2 |
(x+1)(x-1) |
x+1 |
2(x-1) |
1 |
2 |
a+2b |
a-b |
b |
b-a |
a+1 |
a+3 |
a+1 |
2 |
3 |
cd |
12 |
1 |
a-1 |
a2+a |
1-a |
a-b |
a |
2ab-b2 |
a |
2 |
a4-3a2b2+2b4 |
a2-2b2 |
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