(x2-2xy+y2)+(-2x+2y)+1分解因式
问题描述:
(x2-2xy+y2)+(-2x+2y)+1分解因式
答
=(x-y)^2-2(x-y)+1
=(x-y-1)^2
答
原式=(x-y)²-2(x-y)+1
=(x-y-1)²
答
(x2-2xy+y2)+(-2x+2y)+1
=(x-y)^2-2(x-y)+1
=(x-y+1)^2
注:^2 是平方
答
2y(2-x)