已知关于x的方程x²+2(m+2)x+m²-5=0有两个实数根,若这两个跟的平方和比两个跟的积大16,求m的值.
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![已知关于x的方程x²+2(m+2)x+m²-5=0有两个实数根,若这两个跟的平方和比两个跟的积大16,求m的值.](/uploads/image/z/702224-8-4.jpg?t=%E5%B7%B2%E7%9F%A5%E5%85%B3%E4%BA%8Ex%E7%9A%84%E6%96%B9%E7%A8%8Bx%26%23178%3B%2B2%28m%2B2%29x%2Bm%26%23178%3B-5%3D0%E6%9C%89%E4%B8%A4%E4%B8%AA%E5%AE%9E%E6%95%B0%E6%A0%B9%2C%E8%8B%A5%E8%BF%99%E4%B8%A4%E4%B8%AA%E8%B7%9F%E7%9A%84%E5%B9%B3%E6%96%B9%E5%92%8C%E6%AF%94%E4%B8%A4%E4%B8%AA%E8%B7%9F%E7%9A%84%E7%A7%AF%E5%A4%A716%2C%E6%B1%82m%E7%9A%84%E5%80%BC.)
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