x+2 |
2x2-3x |
x2+2x |
2x2+x-6 |
1 |
2 |
1 |
4x-6 |
x+2 |
x(2x-3) |
x(x+2) |
(x+2)(2x-3) |
2x-3-1 |
2(2x-3) |
x+2-x2 |
x(2x-3) |
2x-3 |
x-2 |
(x+1)(x-2) |
x(x-2) |
x+1 |
x |
x |
x-2 |
x |
x+2 |
4x |
x-2 |
x2-xy+x-y |
xy |
y |
1+x |
a2-b2 |
a2-ab |
2ab+b2 |
a |
b2 |
b-a |
a2 |
a-b |
1 |
a-2 |
1 |
a |
a-2 |
2 |
© 2017-2019 超级试练试题库,All Rights Reserved.