(x-y)²-8(x-y-2)
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/18 16:02:23
(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
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来源:学生作业帮助网 编辑:作业帮 时间:2024/09/18 16:02:23
(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