甲乙两同学分解因式x^2+mx+n甲看错了n,分解结果为(x+2)(x+6);乙看错了m,分解结果为(x-1)(x-16

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  • 甲乙两同学分解因式x^2+mx+n甲看错了n,分解结果为(x+2)(x+6);乙看错了m,分解结果为(x-1)(x-16)分析m和n的值,

    解,得:

    (x+6)(x+2)=x²+8x+12

    n=12

    (x-1)(x-16)=x²-17x-16

    m=-17

    正确为:

    x²-17x+12