6(x+y)²-2(x-y)(x+y)因式分解
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6(x+y)²-2(x-y)(x+y)因式分解
![6(x+y)²-2(x-y)(x+y)因式分解](/uploads/image/z/19384874-26-4.jpg?t=6%EF%BC%88x%2By%EF%BC%89%26%23178%3B%EF%BC%8D2%EF%BC%88x-y%EF%BC%89%EF%BC%88x%2By%EF%BC%89%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3)
6(x+y)²-2(x-y)(x+y)
=2(x+y)[3(x+y)-(x-y)]
=2(x+y)(2x+4y)
=4(x+y)(x+2y)
=2(x+y)[3(x+y)-(x-y)]
=2(x+y)(2x+4y)
=4(x+y)(x+2y)
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