| x2+1 |
| x-6 |
| x3+x |
| x2-36 |
| a |
| a2-b2 |
| 1 |
| a+b |
| x2+1 |
| x-6 |
| (x+6)(x-6) |
| x(x2+1) |
| x+6 |
| x |
| a-(a-b) |
| (a+b)(a-b) |
| b |
| (a+b)(a-b) |
| 1 | ||
|
| 3 |
| 8 |
| x-1 |
| x |
| 2x-1 |
| x |
| x2 |
| x-1 |
| 2x |
| 1-x |
| x |
| x-1 |
| 3 |
| (x-2)3-(x-1)2+1 |
| x2-4x+4 |
| 2x |
| 2x2-4x |
| a |
| a-b |
| b |
| b-a |
| 1 |
| x+2 |
| x2+2x+1 |
| x+2 |
| x2-1 |
| x-1 |
| 1 |
| x+1 |
| x+3 |
| x2-1 |
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