b |
a |
a |
b |
a2-3ab+b2 |
a2-7ab-b2 |
b |
a |
a |
b |
a2-3ab+b2 |
a2-7ab-b2 |
1 |
7 |
a |
a-b |
b |
b-a |
y-3 |
4y-8 |
5 |
y-2 |
1 |
x-1 |
x |
x2-1 |
x |
x2-1 |
x-1 |
x |
x2+4x+4 |
x+2 |
1 |
2 |
x-3 |
x2-1 |
1 |
1-x |
x-3 |
x2-1 |
1 |
1-x |
x-3 |
(x+1)(x-1) |
1 |
x-1 |
x-3 |
(x+1)(x-1) |
x+1 |
(x+1)(x-1) |
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