摘要:4.下列分解因式正确的是( ) A.9m²-1= B.m4+4=² C.3x²y-2xy²+xy=xy D.
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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 |