1 |
x-y |
1 |
x+y |
x2y |
x2-y2 |
3 |
3 |
x+y+x-y |
(x-y)(x+y) |
x2y |
(x+y)(x-y) |
2x |
(x-y)(x+y) |
(x+y)(x-y) |
x2y |
2 |
xy |
3 |
3 |
2 | ||||
(
|
a2+b2 |
a2-b2 |
2ab |
a2-b2 |
a2-4 |
a2-9 |
a-3 |
2a+4 |
4-x |
x-2 |
12 |
x-2 |
x+2 |
x2-2x |
1 |
x-2 |
2 |
x |
x-3 |
x2-1 |
1 |
1-x |
x-3 |
x2-1 |
1 |
1-x |
x-3 |
(x-1)(x+1) |
1 |
x-1 |
x-3 |
(x-1)(x+1) |
x+1 |
(x-1)(x+1) |
4 |
x+3 |
x |
x+1 |
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