
初一数学题:x²(x+y)(y-x)-xy(x+y)(x-y)
3个回答
展开全部
x²(x+y)(y-x)-xy(x+y)(x-y)
=x²(y+x)(y-x)+xy(y+x)(y-x)
=(x²+xy)(y+x)(y-x)
=x(x+y)(y+x)(y-x)
=x(x+y)²(y-x)
=x²(y+x)(y-x)+xy(y+x)(y-x)
=(x²+xy)(y+x)(y-x)
=x(x+y)(y+x)(y-x)
=x(x+y)²(y-x)
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询