2a |
b |
1 |
a-b |
a |
b |
b |
4 |
1 |
2 |
4a2 |
b2 |
1 |
a-b |
a |
b |
4 |
b |
4a2 |
b2(a-b) |
4a |
b2 |
4a2 |
b2(a-b) |
4a(a-b) |
b2(a-b) |
4a2-4a2+4ab |
b2(a-b) |
a |
3 |
b |
4 |
c |
5 |
2a+3b-c |
3a-2b+3c |
1 |
2 |
5 |
8 |
m-n |
m2-2mn+n2 |
mn+n2 |
m2-n2 |
mn |
n-1 |
x2+1 |
x2-1 |
x-2 |
x-1 |
x-2 |
x |
-a |
b |
2a2 |
5b |
a |
5b |
x+2 |
x2-2x |
x-1 |
x2-4x+4 |
x-4 |
x |
2x |
x+1 |
x2-2x+1 |
x2-1 |
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