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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 12n^2+24n-2006 ≤2019 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        12 * n ^ 2 + 24 * n - 2006 ≤2019         (1)

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    From inequality(1)：
         -19.341665 ≤ n ≤ 17.341665

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    The final solution set is :
         -19.341665 ≤ n ≤ 17.341665

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