xy+2x+y+2因式分解
问题描述:
xy+2x+y+2因式分解
答
xy+2x+y+2
=y(x+1)+2(x+1)
=(x+1)(y+2)
xy+2x+y+2因式分解
xy+2x+y+2
=y(x+1)+2(x+1)
=(x+1)(y+2)