a-b |
a+2b |
a2-b2 |
a2+4ab+4b2 |
a |
a+b |
2 |
2 |
a-b |
a+2b |
(a+b)(a-b) |
(a+2b)2 |
a |
a+b |
a-b |
a+2b |
(a+2b)2 |
(a+b)(a-b) |
a |
a+b |
a+2b |
a+b |
a |
a+b |
2b |
a+b |
2 |
2 |
2(1-
| ||||
|
2 |
x2+2x+1 |
x2-1 |
x+1 |
x2-x |
2m-1 |
m |
m |
m2-1 |
1 |
x+1 |
x |
x-1 |
3 |
3 |
x+y |
x-y |
x-y |
x+y |
1 |
x2 |
1 |
y2 |
3a |
a-2 |
a |
a+2 |
a2-4 |
a+4 |
3 |
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