x2 |
2-x |
4 |
x-2 |
3 |
a |
a+1 |
a2-2a |
a2-4 |
a+1 |
a2+3a+2 |
2 |
-(x+2)(x-2) |
x-2 |
3 |
3 |
a2 |
a+1 |
(a+2)(a-2) |
a(a-2) |
a+1 |
(a+2)(a+1) |
a |
a+1 |
2 |
a |
a+1 |
2-
| ||
2-
|
4-
| ||
7 |
2 |
3x |
2 |
x+y |
x+y |
3x |
x-y |
x |
1 |
a-2 |
3-a |
2a-4 |
2 |
x+3 |
x2-3x |
x-1 |
x2-6x+9 |
x-9 |
x |
x-y |
x-2y |
x2-y2 |
x2-4xy+4y2 |
x+2 |
x-2 |
4 |
x2-4x+4 |
x |
x-2 |
1 |
2 |
x+2 |
x2-2x |
x |
x-2 |
x-1 |
x |
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