分解因式 x²-6xy+5y²; m²-5m-6; m²-m-6; 3x²+13x-10; 6m²+m-12.x²-2xy+y²-5x+5y-6;x³-x²-x+1;1-x²+4xy-4y²;a²-b²-c²+2bc;计算(a-b)²+2(a-b)(b-c)+(c-b)²
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![分解因式 x²-6xy+5y²; m²-5m-6; m²-m-6; 3x²+13x-10; 6m²+m-12.x²-2xy+y²-5x+5y-6;x³-x²-x+1;1-x²+4xy-4y²;a²-b²-c²+2bc;计算(a-b)²+2(a-b)(b-c)+(c-b)²](/uploads/image/z/7216844-68-4.jpg?t=%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F+x%26%23178%3B-6xy%2B5y%26%23178%3B%EF%BC%9B+m%26%23178%3B-5m-6%EF%BC%9B+m%26%23178%3B-m-6%EF%BC%9B+3x%26%23178%3B%2B13x-10%EF%BC%9B+6m%26%23178%3B%2Bm-12.x%26%23178%3B-2xy%2By%26%23178%3B-5x%2B5y-6%EF%BC%9Bx%26%23179%3B-x%26%23178%3B-x%2B1%EF%BC%9B1-x%26%23178%3B%2B4xy-4y%26%23178%3B%EF%BC%9Ba%26%23178%3B-b%26%23178%3B-c%26%23178%3B%2B2bc%EF%BC%9B%E8%AE%A1%E7%AE%97%28a-b%29%26%23178%3B%2B2%28a-b%29%28b-c%29%2B%28c-b%29%26%23178%3B)
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