a+b |
5ab |
15a2b |
a2-b2 |
5x+3y |
x2-y2 |
2x |
x2-y2 |
a+b |
5ab |
15a2b |
a2-b2 |
3a |
a-b |
5x+3y-2x |
x2-y2 |
3(x+y) |
(x+y)(x-y) |
3 |
x-y |
2 |
a2-4 |
a2+4 |
4a |
1 |
2 |
1 |
a |
1 |
2 |
x2-2x+1 |
x2-1 |
x-1 |
x2+x |
3 |
x-4 |
24 |
x2-16 |
1 |
a |
1 |
b |
a-ab-b |
2a+ab-2b |
3x |
x-1 |
x |
x+1 |
x2-1 |
x |
a2+b2 |
ab |
a2-b2 |
a-b |
1 |
2 |
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