x2-y2 |
x |
x2+y2 |
x |
2x-1y-1(x+y) |
x-1+y-1 |
x2-y2 |
x |
x2+y2 |
x |
-2y2 |
x |
x-y |
x |
-2y2 |
x |
x2-xy+2y2 |
x |
| ||||
|
| ||
|
2(x+y) |
xy |
xy |
x+y |
x2-xy+2y2 |
x |
a2-1 |
a2+2a+1 |
a2-a |
a+1 |
a2 |
a+1 |
b |
2a |
-b |
a |
3b |
4a |
2 |
5 |
x2-2x+1 |
x2-1 |
2x-2 |
x+1 |
1 |
2 |
1 |
4 |
x2-5x+6 |
12-7x+x2 |
x2+3x+2 |
x2-2x-8 |
x |
x+1 |
3x2 |
1-x2 |
1 |
x-1 |
| ||
4 |
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