xy-2x+y-2因式分解,
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xy-2x+y-2因式分解,
xy-2x+y-2因式分解,
xy-2x+y-2因式分解,
xy-2x+y-2
=x(y-2)+(y-2)
=(x+1)(y-2)
y(x+1)-2(x+1)=(y-2)(x+1)
xy-2x+y-2因式分解,
xy-2x+y-2因式分解,
xy-2x+y-2因式分解,
xy-2x+y-2
=x(y-2)+(y-2)
=(x+1)(y-2)
y(x+1)-2(x+1)=(y-2)(x+1)