已知抛物线y等于负x的平方+(m-4)x+2m+4与X轴交于点A(X1,0)\B(X2,0)两点,与Y轴交于点C,且X1小于X2,X1+两个X2=0.若点A关于Y轴的对称点是点D.(1)求过点C,B,D的抛物线的解析式.(2)若P是(1)中所求
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![已知抛物线y等于负x的平方+(m-4)x+2m+4与X轴交于点A(X1,0)\B(X2,0)两点,与Y轴交于点C,且X1小于X2,X1+两个X2=0.若点A关于Y轴的对称点是点D.(1)求过点C,B,D的抛物线的解析式.(2)若P是(1)中所求](/uploads/image/z/1739164-4-4.jpg?t=%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BFy%E7%AD%89%E4%BA%8E%E8%B4%9Fx%E7%9A%84%E5%B9%B3%E6%96%B9%2B%EF%BC%88m-4%29x%2B2m%2B4%E4%B8%8EX%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9A%EF%BC%88X1%2C0%29%5CB%28X2%2C0%29%E4%B8%A4%E7%82%B9%2C%E4%B8%8EY%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9C%2C%E4%B8%94X1%E5%B0%8F%E4%BA%8EX2%2CX1%2B%E4%B8%A4%E4%B8%AAX2%3D0.%E8%8B%A5%E7%82%B9A%E5%85%B3%E4%BA%8EY%E8%BD%B4%E7%9A%84%E5%AF%B9%E7%A7%B0%E7%82%B9%E6%98%AF%E7%82%B9D.%EF%BC%881%EF%BC%89%E6%B1%82%E8%BF%87%E7%82%B9C%2CB%2CD%E7%9A%84%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F.%EF%BC%882%EF%BC%89%E8%8B%A5P%E6%98%AF%EF%BC%881%EF%BC%89%E4%B8%AD%E6%89%80%E6%B1%82)
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