(x+y)²(x-y)+(x+y)(x-y)²
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 22:52:09
![(x+y)²(x-y)+(x+y)(x-y)²](/uploads/image/z/1029575-47-5.jpg?t=%EF%BC%88x%2By%EF%BC%89%26%23178%3B%EF%BC%88x-y%EF%BC%89%2B%EF%BC%88x%2By%EF%BC%89%EF%BC%88x-y%EF%BC%89%26%23178%3B)
(x+y)²(x-y)+(x+y)(x-y)²
(x+y)²(x-y)+(x+y)(x-y)²
(x+y)²(x-y)+(x+y)(x-y)²
(x+y)²(x-y)+(x+y)(x-y)²
=(x+y)(x-y)(x+y+x-y)
=(x+y)(x-y)*2x
=2x*(x+y)(x-y)
。。。
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 22:52:09
(x+y)²(x-y)+(x+y)(x-y)²
(x+y)²(x-y)+(x+y)(x-y)²
(x+y)²(x-y)+(x+y)(x-y)²
(x+y)²(x-y)+(x+y)(x-y)²
=(x+y)(x-y)(x+y+x-y)
=(x+y)(x-y)*2x
=2x*(x+y)(x-y)
。。。