1 |
3 |
3 |
(x-1)2 |
3x |
(x-1)2 |
4 |
a2-4 |
2 |
a+2 |
1 |
a-2 |
a2-1 |
a2+2a+1 |
a2-a |
a+1 |
3-3x |
(x-1)2 |
3(x-1) |
(x-1)2 |
3 |
x-1 |
4+2(a-2)-(a+2) |
(a+2)(a-2) |
a-2 |
(a+2)(a-2) |
1 |
a+2 |
(a+1)(a-1) |
(a+1)2 |
a+1 |
a(a-1) |
1 |
a |
4 |
3 |
2 |
3 |
4 |
3 |
2 |
3 |
a |
b |
4 |
x2-4x+4 |
x |
x-2 |
x-4 |
x-2 |
3 |
x-1 |
x2-4x+4 |
x-1 |
1-x |
2x-4 |
3 |
2-x |
x2-5x+6 |
x-3 |
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