抛物线y=ax^2+bx+c与x轴交与A(-2,0),对称轴是直线x=2,顶点C到x轴的距离是12,求此抛物线的解析式.
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![抛物线y=ax^2+bx+c与x轴交与A(-2,0),对称轴是直线x=2,顶点C到x轴的距离是12,求此抛物线的解析式.](/uploads/image/z/1331828-44-8.jpg?t=%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax%5E2%2Bbx%2Bc%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%B8%8EA%EF%BC%88-2%2C0%EF%BC%89%2C%E5%AF%B9%E7%A7%B0%E8%BD%B4%E6%98%AF%E7%9B%B4%E7%BA%BFx%3D2%2C%E9%A1%B6%E7%82%B9C%E5%88%B0x%E8%BD%B4%E7%9A%84%E8%B7%9D%E7%A6%BB%E6%98%AF12%2C%E6%B1%82%E6%AD%A4%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F.)
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