将xy^-2xy+2y-4因式分解
问题描述:
将xy^-2xy+2y-4因式分解
答
解: xy^-2xy+2y-4
=xy(y-2)+2(y-2)
=(xy+2)*(y-2)
答
xy^-2xy+2y-4
原式=xy(y-2)+2(y-2)
=(xy+2)+(y-2)
答
xy^-2xy+2y-4
=xy(y-2)+2(y-2)
=(xy+2)(y-2)