因式分解:1.(x^+2x-3)(x^+2x-24)+902.6x^^+5x*-38x^+5x+6) 3.ca(c-a)+bc(b-c)+ab(a-b)4.已知x+y=2,xy=a+4,x*+y*=26,求a的值.(^表示平方,^^表示四次方,*表示立方)还有一道:已知x^^+6x^+12有一个因式是x^+ax+4,求a值和
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![因式分解:1.(x^+2x-3)(x^+2x-24)+902.6x^^+5x*-38x^+5x+6) 3.ca(c-a)+bc(b-c)+ab(a-b)4.已知x+y=2,xy=a+4,x*+y*=26,求a的值.(^表示平方,^^表示四次方,*表示立方)还有一道:已知x^^+6x^+12有一个因式是x^+ax+4,求a值和](/uploads/image/z/5299648-16-8.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%9A1.%28x%5E%2B2x-3%29%28x%5E%2B2x-24%29%2B902.6x%5E%5E%2B5x%2A-38x%5E%2B5x%2B6%29+3.ca%28c-a%29%2Bbc%28b-c%29%2Bab%28a-b%EF%BC%894.%E5%B7%B2%E7%9F%A5x%2By%3D2%2Cxy%3Da%2B4%2Cx%2A%2By%2A%3D26%2C%E6%B1%82a%E7%9A%84%E5%80%BC.%EF%BC%88%5E%E8%A1%A8%E7%A4%BA%E5%B9%B3%E6%96%B9%2C%5E%5E%E8%A1%A8%E7%A4%BA%E5%9B%9B%E6%AC%A1%E6%96%B9%2C%2A%E8%A1%A8%E7%A4%BA%E7%AB%8B%E6%96%B9%EF%BC%89%E8%BF%98%E6%9C%89%E4%B8%80%E9%81%93%EF%BC%9A%E5%B7%B2%E7%9F%A5x%5E%5E%2B6x%5E%2B12%E6%9C%89%E4%B8%80%E4%B8%AA%E5%9B%A0%E5%BC%8F%E6%98%AFx%5E%2Bax%2B4%EF%BC%8C%E6%B1%82a%E5%80%BC%E5%92%8C)
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