a |
a2-2a |
1 |
a-3 |
a-2 |
a2-9 |
a |
a(a-2) |
1 |
a-3 |
a-2 |
(a-3)(a+3) |
a(a-3)(a+3) |
a(a-2)(a-3)(a+3) |
a(a-2)(a+3) |
a(a-2)(a-3)(a+3) |
a(a-2)2 |
a(a-2)(a-3)(a+3) |
a3-5a2+a |
a(a-2)(a-3)(a+3) |
1-5+1 |
1×(1-2)×(1-3)×(1+3) |
3 |
8 |
2 |
x+1 |
x-2 |
x2-1 |
x2-2x |
x2-2x+1 |
x2-1 |
x-1 |
a2-1 |
a-1 |
a2-1 |
a2+2a |
1 |
a-1 |
x |
x+1 |
3x2 |
1-x2 |
1 |
x-1 |
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