Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality －4x×x×x－16x×x＋22x＋9 ≥0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -4 * x × x × x - 16 * x × x + 22 * x + 9 ≥0         (1)

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    From inequality(1)：
         x ≤ -5.008448 或  -0.334515 ≤ x ≤ 1.342963

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    The final solution set is :
         x ≤ -5.008448 或  -0.334515 ≤ x ≤ 1.342963

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