xy的平方-2xy+2y-4分解因式该怎么做
问题描述:
xy的平方-2xy+2y-4分解因式该怎么做
答
xy的平方-2xy+2y-4
=xy(y-2)+2(y-2)
=(y-2)(xy+2)
答
xy²-2xy+2y-4
=xy(x-2)+2(y-2)
=(y-2)(x+2)
答
xy^2-2xy+2y-4=xy(y-2)+2(y-2)=(y-2)(xy+2)
答
xy²-2xy+2y-4
原式=xy(y-2)+2(y-2)
=(xy+2)(y-2)
答
xy²-2xy+2y-4
原式=xy(y-2)+2(y-2)
=(xy+2)(y-2)