(x-y)²-8(x-y-2)

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/12 07:45:17
(x-y)²-8(x-y-2)(x-y)²-8(x-y-2)(x-y)²-8(x-y-2)(x-y)²-8(x-y-2)=(x-y)²-8(x-y)+

(x-y)²-8(x-y-2)
(x-y)²-8(x-y-2)

(x-y)²-8(x-y-2)
(x-y)²-8(x-y-2)
=(x-y)²-8(x-y)+16
=(x-y-4)^2