2x |
x2-y2 |
1 |
x-y |
5 |
5 |
2x-x-y |
(x+y)(x-y) |
x-y |
(x+y)(x-y) |
1 |
x+y |
5 |
5 |
1 | ||||
3
|
1 | ||||
3
|
1 | ||
|
| ||
5 |
x+2 |
x2-2x |
x-1 |
x2-4x+4 |
x-4 |
x |
3 |
1 |
x+1 |
1 |
x-1 |
2x |
1-x |
2 |
1 |
x-1 |
x2+4x+3 |
x-1 |
3 |
x+2 |
x2-2x |
x-1 |
x2-4x+4 |
x-4 |
x |
1 |
4 |
m2+n2 |
m2+2mn+n2 |
2 |
mn |
1 |
m |
1 |
n |
1 |
m-n |
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