1 |
0 |
9 |
4 |
x+3 |
x |
x+1 |
七 |
2 |
9 |
七 |
2 |
七 |
2 |
4 |
x+3 |
x |
x+七 |
2x+6-4 |
x+3 |
x |
x+七 |
2x+2 |
x+3 |
x |
x+七 |
(2x+2)(x+七)-x(x+3) |
(x+3)(x+七) |
2x2+4x+2-x2-3x |
(x+3)(x+七) |
x2-x+2 |
(x+3)(x+七) |
(x-2)(x+七) |
(x+3)(x+七) |
x-2 |
x+3 |
七 |
2 |
9 |
七 |
2 |
七 |
2 |
4 |
x+3 |
x |
x+七 |
2x+6-4 |
x+3 |
x |
x+七 |
2x+2 |
x+3 |
x |
x+七 |
(2x+2)(x+七)-x(x+3) |
(x+3)(x+七) |
2x2+4x+2-x2-3x |
(x+3)(x+七) |
x2-x+2 |
(x+3)(x+七) |
(x-2)(x+七) |
(x+3)(x+七) |
x-2 |
x+3 |