| x•ex |
| x-a |
| t2 |
| t+1 |
| (x+2)2 |
| (x+4)2 |
| t2 |
| t+1 |
a+
| ||
| 2 |
| t2 |
| t+1 |
| t2 |
| t+1 |
| x2-ax-a |
| (x-a)2 |
| (x+2)2 |
| (x+4)2 |
| t2 |
| t+1 |
a+
| ||
| 2 |
| 1 |
| 2 |
| a+2 | ||
|
| t2 |
| t+1 |
| t2 |
| t+1 |
| 1 |
| e |
| 4 |
| ee |
| t2 |
| t+1 |
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