①18m(a-b)²-12mn(b-a)³ ②a²(x-2a)³-a(2a-x)²因式分解
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![①18m(a-b)²-12mn(b-a)³ ②a²(x-2a)³-a(2a-x)²因式分解](/uploads/image/z/657554-50-4.jpg?t=%E2%91%A018m%EF%BC%88a-b%EF%BC%89%26%23178%3B-12mn%EF%BC%88b-a%EF%BC%89%26%23179%3B+%E2%91%A1a%26%23178%3B%EF%BC%88x-2a%EF%BC%89%26%23179%3B-a%EF%BC%882a-x%EF%BC%89%26%23178%3B%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3)
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①18m(a-b)²-12mn(b-a)³ ②a²(x-2a)³-a(2a-x)²因式分解
①18m(a-b)²-12mn(b-a)³ ②a²(x-2a)³-a(2a-x)²因式分解
①18m(a-b)²-12mn(b-a)³ ②a²(x-2a)³-a(2a-x)²因式分解
①18m(a-b)²-12mn(b-a)³
=6m(a-b)²(3+2n(a-b))
②a²(x-2a)³-a(2a-x)²因式分解
=a(2a-x)²(x-2a-a)
=a(2a-x)(x-3a);
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