| x五 |
| x+1 |
| b五-a五 |
| a五b-ab五 |
| a五+b五 |
| 五ab |
| 1 |
| x |
| 1 |
| y |
| 3x-14xy-3y |
| x-2xy-y |
| a |
| 4 |
| b |
| 3 |
| c |
| 2 |
| a+2b+3c |
| c |
| x+2 |
| x+1 |
| x2-2x+1 |
| x2-1 |
| 2 |
| 1 |
| a+1 |
| 1 |
| a-1 |
| 1 |
| a+1 |
| 2 |
| 1 |
| x-1 |
| 1 |
| x2-1 |
| x |
| x-1 |
| a |
| a-n |
| a+6 |
| a2-na |
| n |
| a |
| n |
| 2 |
| 1 |
| b |
| 1 |
| c |
| 1 |
| a |
| x3+xy2+1 |
| x3+xy-x2y-y3 |
| x2y-xy2 |
| x3+xy2-x2y-y3 |
| x2y+xy2 |
| x3+x2y+xy2+y3 |
| x2y+y3+1 |
| x2y+y3-x3-xy2 |
| x3+y3 |
| x3+x2y+xy2+y3 |
| 1 |
| x(x+a) |
| 1 |
| (x+a)(x+2a) |
| 1 |
| (x+2a)(x+3a) |
| 1 |
| (x+3a)(x+4a) |
| b2-bc+c2 |
| a |
| a2 |
| b+c |
| 3 | ||||
|
| ||||||
|
| 1 |
| (x-1)(x-2) |
| 1 |
| (x-2)(x-3) |
| 1 |
| (x-n)(x-n-1) |