2(a-b)²-(a-b)和3(x-y)²-(x-y)³因式分解
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![2(a-b)²-(a-b)和3(x-y)²-(x-y)³因式分解](/uploads/image/z/4034600-8-0.jpg?t=2%28a-b%29%26%23178%3B-%28a-b%29%E5%92%8C3%EF%BC%88x-y%29%26%23178%3B-%28x-y%29%26%23179%3B%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3)
2(a-b)²-(a-b)和3(x-y)²-(x-y)³因式分解
2(a-b)²-(a-b)和3(x-y)²-(x-y)³因式分解
2(a-b)²-(a-b)和3(x-y)²-(x-y)³因式分解
2(a-b)²-(a-b)=(a-b)(2a-2b-1)
3(x-y)²-(x-y)³ = (x-y)²(3-x+y)
2(a-b)²-(a-b)=(a-b)(2a-2b-1)