摘要:下列分解因式正确的是( ) A. x3 - x= x (x2-1) B. m2+m-6= C. 1- a2+2ab-b2= D. x2+4xy-4y2=2
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下列分解因式正确的是( )
| A、2x2-xy-x=2x(x-y-1) | ||
B、x2+x=x2(1+
| ||
| C、x(x-y)-y(x-y)=(x-y)2 | ||
| D、x2-x-6=x(x-1)-6 |
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| A、2x2-xy-x=2x(x-y-1) | ||
B、x2+x=x2(1+
| ||
| C、x(x-y)-y(x-y)=(x-y)2 | ||
| D、x2-x-6=x(x-1)-6 |