摘要:下列分解因式正确的是( )C A. B. C. D.
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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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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
查看习题详情和答案>>
(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
查看习题详情和答案>>
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
查看习题详情和答案>>