题目内容
把x2-xy2分解因式,结果正确的是( )
| A.(x+xy)(x-xy) | B.x(x2-y2) | C.x(x-y2) | D.x(x-y)(x+y) |
x2-xy2=x(x-y2).
故选C.
故选C.
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题目内容
| A.(x+xy)(x-xy) | B.x(x2-y2) | C.x(x-y2) | D.x(x-y)(x+y) |