因式分解:1.(x2+x-6)(x2+x-8)-242.(x+1)(x-2)(x-3)(x-6)+203.(x+1)(x+2)(x+3)(x+6)-3x2第一小题的x2都为x的2次方,第三题的3x2为3乘以x的2次方
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![因式分解:1.(x2+x-6)(x2+x-8)-242.(x+1)(x-2)(x-3)(x-6)+203.(x+1)(x+2)(x+3)(x+6)-3x2第一小题的x2都为x的2次方,第三题的3x2为3乘以x的2次方](/uploads/image/z/1851396-60-6.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%9A1.%EF%BC%88x2%2Bx-6%EF%BC%89%28x2%2Bx-8%29-242.%EF%BC%88x%2B1%EF%BC%89%28x-2%29%28x-3%29%28x-6%29%2B203.%28x%2B1%29%28x%2B2%29%28x%2B3%29%28x%2B6%29-3x2%E7%AC%AC%E4%B8%80%E5%B0%8F%E9%A2%98%E7%9A%84x2%E9%83%BD%E4%B8%BAx%E7%9A%842%E6%AC%A1%E6%96%B9%EF%BC%8C%E7%AC%AC%E4%B8%89%E9%A2%98%E7%9A%843x2%E4%B8%BA3%E4%B9%98%E4%BB%A5x%E7%9A%842%E6%AC%A1%E6%96%B9)
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