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