下列分解因式正确的是( )C A. B. C. D. 查看更多

 

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(2008•宁夏)下列分解因式正确的是( )
A.2x2-xy-x=2x(x-y-1)
B.-xy2+2xy-3y=-y(xy-2x-3)
C.x(x-y)-y(x-y)=(x-y)2
D.x2-x-3=x(x-1)-3

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(2008•宁夏)下列分解因式正确的是( )
A.2x2-xy-x=2x(x-y-1)
B.-xy2+2xy-3y=-y(xy-2x-3)
C.x(x-y)-y(x-y)=(x-y)2
D.x2-x-3=x(x-1)-3

查看答案和解析>>

(2008•宁夏)下列分解因式正确的是( )
A.2x2-xy-x=2x(x-y-1)
B.-xy2+2xy-3y=-y(xy-2x-3)
C.x(x-y)-y(x-y)=(x-y)2
D.x2-x-3=x(x-1)-3

查看答案和解析>>

(2008•宁夏)下列分解因式正确的是( )
A.2x2-xy-x=2x(x-y-1)
B.-xy2+2xy-3y=-y(xy-2x-3)
C.x(x-y)-y(x-y)=(x-y)2
D.x2-x-3=x(x-1)-3

查看答案和解析>>


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