x^2(x-y)^2-4(y-x)^2帮帮忙啊~
问题描述:
x^2(x-y)^2-4(y-x)^2帮帮忙啊~
分解因式
答
x^2(x-y)^2-4(y-x)^2
=x^2(x-y)^2-4(x-y)^2
=(x-y)²(x²-4)
=(x-y)²(x+2)(x-2)