1 |
x-y |
1 |
x+y |
xy2 |
x2-y2 |
2 |
2 |
1 |
x-y |
1 |
x+y |
xy2 |
x2-y2 |
1 |
x-y |
1 |
x+y |
(x-y)(x+y) |
xy2 |
1 |
x-y |
(x-y)(x+y) |
xy2 |
1 |
x+y |
(x-y)(x+y) |
xy2 |
x+y |
xy2 |
x-y |
xy2 |
2y |
xy2 |
2 |
xy |
2 |
2 |
2 | ||||
(
|
a2-4 |
a2-4a+4 |
1 |
a-2 |
a+1 |
a+2 |
a2-5a+2 |
a+2 |
a2-4 |
a2+4a+4 |
3 |
a+b |
2 |
x2-2x |
x2-1 |
2x-1 |
x+1 |
1 |
2 |
x+2 |
x-2 |
4 |
x2-4x+4 |
x |
x-2 |
1 |
2 |
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