x(x+y)(x-y)-x(x+y)的平方(用分解因式方法做)
问题描述:
x(x+y)(x-y)-x(x+y)的平方(用分解因式方法做)
答
=x(x+y)[(x-y)-(x+y)]=x(x+y)(-2y)=-2xy(x+y)你还可以继续化简
x(x+y)(x-y)-x(x+y)的平方(用分解因式方法做)
=x(x+y)[(x-y)-(x+y)]=x(x+y)(-2y)=-2xy(x+y)你还可以继续化简