1 |
x+2 |
1 |
2-x |
x |
x+2 |
2-x |
(x+2)(2-x) |
x+2 |
(x+2)(2-x) |
x+2 |
x |
2-x-x-2 |
(x+2)(2-x) |
x+2 |
x |
-2x |
(x+2)(2-x) |
x+2 |
x |
-2 |
2-x |
2 |
x-2 |
2 |
3-2 |
4 |
x2-4 |
1 |
x+2 |
1 |
x-2 |
a+2 |
a2-2a |
8 |
4-a2 |
a-2 |
a |
a2-b2 |
a2b-ab2 |
a2+b2 |
2ab |
x2+1 |
x2-1 |
x+1 |
x-1 |
2x |
(x-1)(x2+2x+1) |
x-y |
x |
2xy-y2 |
x |
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