x+y |
x-y |
4xy |
y2-x2 |
x2+2xy-3y2 |
x2-9y2 |
(x+y)2 |
(x-y)(x+y) |
-4xy |
(x-y)(x+y) |
(x+3y)(x-3y) |
(x+3y)(x-y) |
x-3y |
x+y |
2 |
3 |
x-3y |
x+y |
| ||
|
-
| ||
|
7 |
5 |
1 |
x2-x |
x-2 |
x2-2x+1 |
x-2 |
x-1 |
1+x |
x2+x-2 |
x2-1 |
x+2 |
1 |
2 |
y3-y |
(xy+1)2-(x+y)2 |
(x+y)y |
x+1 |
1 |
12 |
1 |
n |
m2-2mn+n2 |
mn |
mn-m2 |
m2 |
x2+2x+1 |
x2-1 |
x+1 |
x2-x |
3x+4 |
x2-1 |
2 |
x-1 |
x+2 |
x2-2x+1 |
2 |
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