因式分解,(x-2xy+y)^2+(-2x+2y)+1算不下去,
问题描述:
因式分解,(x-2xy+y)^2+(-2x+2y)+1
算不下去,
答
ldugn你好
(x-2xy+y)^2+(-2x+2y)+1
(x-y)^2^2-2(x-y)+1^2
((x-y)^2-1)^2