2 |
4 |
a2-1 |
2 |
a2+a |
1 |
a-1 |
4 |
(a-1)(a+1) |
2 |
a(a+1) |
1 |
a-1 |
4a-2(a-1) |
a(a-1)(a+1) |
2(a+1) |
a(a+1) |
2 |
a |
2 |
2 | ||
|
2 |
a |
1+a |
3a2 |
1-a2 |
1 |
a-1 |
3 |
2 |
3a2-ab |
9a2-6ab+b2 |
x+2 |
x2-2x |
1 |
x-2 |
2 |
x2-4 |
x2-2x+1 |
x2-1 |
x2-x |
x+1 |
1 |
x |
a3b+a2b2 |
a2+2ab+b2 |
a2-ab |
a2-b2 |
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