问题
填空题
因式分x2(x-y)-y2(x-y)=______.
答案
x2(x-y)-y2(x-y)
=(x-y)(x2-y2)
=(x-y)(x+y)(x-y)
=(x-y)2(x+y).
故答案为:(x-y)2(x+y).
因式分x2(x-y)-y2(x-y)=______.
x2(x-y)-y2(x-y)
=(x-y)(x2-y2)
=(x-y)(x+y)(x-y)
=(x-y)2(x+y).
故答案为:(x-y)2(x+y).