| 5a2b3 |
| 6ab2 |
| 2ab2 |
| 3ab |
| b |
| a |
| x2-2xy+y2 |
| x2 |
| x |
| x+1 |
| 2 |
| x2-1 |
| 5ab |
| 6 |
| 2b |
| 3 |
| b |
| a |
| 5ab |
| 6 |
| 3 |
| 2b |
| b |
| a |
| 5 |
| 4 |
| (x-y)2 |
| x2 |
| x2 |
| (x-y)2 |
| x3 |
| y-x |
| x |
| x+1 |
| 2 |
| (x+1)(x-1) |
| (x+1)(x-1) |
| (x+1)(x-1) |
| x(x-1)-2-(x2-1) |
| (x+1)(x-1) |
| 1 |
| 1-x |
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