a |
a+b |
b |
a-b |
a2 |
a2-b2 |
a |
a+b |
b |
a-b |
a2 |
a2-b2 |
a2-ab |
a2-b2 |
ab+b2 |
a2-b2 |
a2 |
a2-b2 |
a2-ab+ab+b2-a2 |
a2-b2 |
b2 |
a2-b2 |
4 |
3 |
4 |
3 |
b2 | ||
(
|
9 |
7 |
9 |
7 |
1 |
f |
1 |
f1 |
1 |
f2 |
x-2 |
x+2 |
4x |
x2-4 |
1 |
x2-4 |
x |
x-2 |
x |
x+2 |
4x |
2-x |
x2-1 |
x2-2x+1 |
x2-2x |
x-2 |
a2+a |
a-1 |
a |
a-1 |
x2-4x+4 |
2x-4 |
5 |
4 |
x-3 |
x-1 |
x2-3x |
3 |
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