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Tìm m để mọi x thuộc [-1,1] đều là nghiệm của bất phương trình 3x^2 - 2(m + 5)x - m^2 + 2m + 8 ≤ 0
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Tìm m để mọi x thuộc [-1,1] đều là nghiệm của bất phương trình 3x^2 - 2(m + 5)x - m^2 + 2m + 8 ≤ 0

User KepPM
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20bxbcd is the answer of the question that he have given

User Mmdwc
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