2n2 |
3m |
x2-2x+1 |
x2-1 |
x-1 |
x2+x |
2m-6 |
4-4m+m2 |
m2+6m+9 |
3-m |
3m |
2n2 |
9m2 |
2n |
(x-1)2 |
(x+1)(x-1) |
x(x+1) |
x-1 |
2(m-3) |
(m-2)2 |
(m+3)2 |
m-3 |
2(m+3)2 |
(m-2)2 |
1 |
x2-x |
x-1 |
x |
b |
a |
b |
a2-a |
A.-a-1 | B.-a+1 | C.-ab+1 | D.-ab+b |
x |
x2-3x |
x |
x-1 |
x2-1 |
x2 |
x2-6x+9 |
9-x2 |
2x-6 |
x2+3x |
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