(x^2-2xy+y^2)+(-2x+2y)+1 分解因式.

问题描述:

(x^2-2xy+y^2)+(-2x+2y)+1 分解因式.

(x-y-1)^2

(x^2-2xy+y^2)+(-2x+2y)+1
=(x-y)^2-2(x-y)+1
=(x-y-1)^2

(x^2-2xy+y^2)+(-2x+2y)+1
=(x-y)^2-2(x-y)+1
=(x-y-1)^2

x^2-2xy+y^2)+(-2x+2y)+1
=(x-y)^2-2(x-y)+1
=(x-y-1)^2