解关于x的不等式(1) ax²+4x+4≥0(2)x²+x-6/2a+1 > x+6(2a-1)(3)已知ax²+bx+c>0的解集为(α,β) (0<α<β),解不等式cx²+bx+a≤0
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![解关于x的不等式(1) ax²+4x+4≥0(2)x²+x-6/2a+1 > x+6(2a-1)(3)已知ax²+bx+c>0的解集为(α,β) (0<α<β),解不等式cx²+bx+a≤0](/uploads/image/z/10911433-49-3.jpg?t=%E8%A7%A3%E5%85%B3%E4%BA%8Ex%E7%9A%84%E4%B8%8D%E7%AD%89%E5%BC%8F%EF%BC%881%EF%BC%89+ax%26sup2%3B%2B4x%2B4%E2%89%A50%EF%BC%882%EF%BC%89x%26sup2%3B%2Bx-6%2F2a%2B1+%EF%BC%9E+x%2B6%EF%BC%882a-1%EF%BC%89%EF%BC%883%EF%BC%89%E5%B7%B2%E7%9F%A5ax%26sup2%3B%2Bbx%2Bc%EF%BC%9E0%E7%9A%84%E8%A7%A3%E9%9B%86%E4%B8%BA%EF%BC%88%CE%B1%2C%CE%B2%EF%BC%89+%EF%BC%880%EF%BC%9C%CE%B1%EF%BC%9C%CE%B2%EF%BC%89%2C%E8%A7%A3%E4%B8%8D%E7%AD%89%E5%BC%8Fcx%26sup2%3B%2Bbx%2Ba%E2%89%A40)
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