已知关于X的多项式6x²-11x+m分解因式后有一个因式是(2x-3),试求m的值.b²ⁿ-bⁿ提公因式后另一个因式是( )不解方程组2x+y=6,x-3y=1,求7y(x-3y)²-2(3Y-x)³的值.若a=-5,a+b+c=-5.
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![已知关于X的多项式6x²-11x+m分解因式后有一个因式是(2x-3),试求m的值.b²ⁿ-bⁿ提公因式后另一个因式是( )不解方程组2x+y=6,x-3y=1,求7y(x-3y)²-2(3Y-x)³的值.若a=-5,a+b+c=-5.](/uploads/image/z/11222063-71-3.jpg?t=%E5%B7%B2%E7%9F%A5%E5%85%B3%E4%BA%8EX%E7%9A%84%E5%A4%9A%E9%A1%B9%E5%BC%8F6x%26sup2%3B-11x%2Bm%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%E5%90%8E%E6%9C%89%E4%B8%80%E4%B8%AA%E5%9B%A0%E5%BC%8F%E6%98%AF%EF%BC%882x-3%EF%BC%89%2C%E8%AF%95%E6%B1%82m%E7%9A%84%E5%80%BC.b%26sup2%3B%26%238319%3B%EF%BC%8Db%26%238319%3B%E6%8F%90%E5%85%AC%E5%9B%A0%E5%BC%8F%E5%90%8E%E5%8F%A6%E4%B8%80%E4%B8%AA%E5%9B%A0%E5%BC%8F%E6%98%AF%EF%BC%88+%EF%BC%89%E4%B8%8D%E8%A7%A3%E6%96%B9%E7%A8%8B%E7%BB%842x%2By%3D6%2Cx-3y%3D1%2C%E6%B1%827y%EF%BC%88x-3y%EF%BC%89%26sup2%3B-2%283Y-x%29%26sup3%3B%E7%9A%84%E5%80%BC.%E8%8B%A5a%3D-5%2Ca%2Bb%2Bc%3D-5.)
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