下列分解因式正确的是( ) A.2x2-xy-x=2x(x-y-1) B.-xy
问题:
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
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