关于因式分解(1)48x²+22x-15(2)21x²+31x-42(3)35x²+23x-6(4)(x+y)²-5(x²-y²)+6(x-y)²(5)4x²-14xy+6y²-7x+y-2这五道题我绞尽脑汁也想不出,用提公因式法、公式法
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![关于因式分解(1)48x²+22x-15(2)21x²+31x-42(3)35x²+23x-6(4)(x+y)²-5(x²-y²)+6(x-y)²(5)4x²-14xy+6y²-7x+y-2这五道题我绞尽脑汁也想不出,用提公因式法、公式法](/uploads/image/z/9281717-53-7.jpg?t=%E5%85%B3%E4%BA%8E%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%881%EF%BC%8948x%26sup2%3B%2B22x-15%EF%BC%882%EF%BC%8921x%26sup2%3B%2B31x-42%EF%BC%883%EF%BC%8935x%26sup2%3B%2B23x-6%EF%BC%884%EF%BC%89%28x%2By%29%26sup2%3B-5%EF%BC%88x%26sup2%3B-y%26sup2%3B%EF%BC%89%2B6%EF%BC%88x-y%EF%BC%89%26sup2%3B%EF%BC%885%EF%BC%894x%26sup2%3B-14xy%2B6y%26sup2%3B-7x%2By-2%E8%BF%99%E4%BA%94%E9%81%93%E9%A2%98%E6%88%91%E7%BB%9E%E5%B0%BD%E8%84%91%E6%B1%81%E4%B9%9F%E6%83%B3%E4%B8%8D%E5%87%BA%2C%E7%94%A8%E6%8F%90%E5%85%AC%E5%9B%A0%E5%BC%8F%E6%B3%95%E3%80%81%E5%85%AC%E5%BC%8F%E6%B3%95)
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