3-a |
2a-4 |
5 |
a-2 |
x-4 |
x2-1 |
x2-3x-4 |
x2+2x+1 |
1 |
x-1 |
3-a |
2a-4 |
a2-4 |
a-2 |
5 |
a-2 |
3-a |
2(a-2) |
a-2 |
(a+3)(a-3) |
1 |
2(a+3) |
1 |
2(a+3) |
1 |
2(a+3) |
1 |
2 |
x-4 |
(x+1)(x-1) |
(x+1)2 |
(x-4)(x+1) |
1 |
x+1 |
2 |
x-1 |
2 |
x-1 |
2 |
x-1 |
2 |
5 |
3+y |
2-x |
1 |
x-1 |
1 |
x+1 |
2x |
1-x |
x |
x2-1 |
1 |
x-1 |
1 |
x+1 |
1 |
a |
1 |
1-a |
a2-a+1 |
a2-2a+1 |
1 |
1-x |
x |
x-1 |
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