因式分 16-8(x-y)+(x-y)2= _ .
问题描述:
因式分 16-8(x-y)+(x-y)2= ___ .
答
16-8(x-y)+(x-y)2,
=[4-(x-y)]2,
=(4-x+y)2.
故答案为:(4-x+y)2.