| x |
| x-3 |
| x |
| x+3 |
| 6x |
| 3-x |
| x2+3x-x2+3x |
| (x-3)(x+3) |
| 3-x |
| 6x |
| 6x |
| (x-3)(x+3) |
| x-3 |
| 6x |
| 1 |
| x+3 |
| 1 |
| x+3 |
| 2 | ||
2-
|
| 3 |
| ||
| tan45° |
| 3-2 |
| 3 |
| cos30° |
| 1+x |
| x2+x-2 |
| 3 |
| x+2 |
| 2x-4 |
| (x+1)(x-2) |
| x+3 |
| x2-1 |
| a |
| a+2 |
| 1 |
| a2+2a |
| a-1 |
| a |
| 2 |
| 1 |
| x+1 |
| x+3 |
| x2-1 |
| x2-2x+1 |
| x2+4x+3 |
| x2+1 |
| x+2 |
| 2x2-2x |
| x2+x-2 |
| x3+2x2+4x |
| x3-8 |
| 6-x |
| 2x-x2 |
| 1 | ||
|
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