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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality ((20*n+88.32)*((n-5.28)^2))/3+588.38*n+169.2486-1.2*(231.84*n+479.5938+(13.33*n^3+232.17316*n^2)/6) ≥0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( ( 20 * n + 88.32 ) * ( ( n - 5.28 ) ^ 2 ) ) / 3 + 588.38 * n + 169.2486 - 1.2 * ( 231.84 * n + 479.5938 + ( 13.33 * n ^ 3 + 232.17316 * n ^ 2 ) / 6 ) ≥0         (1)

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    From inequality(1)：
         -1.339625 ≤ n ≤ 4.039474 或  n ≥ 19.145168

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    The final solution set is :
         -1.339625 ≤ n ≤ 4.039474 或  n ≥ 19.145168

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