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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 40 <3c^2-3c .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        40 <3 * c ^ 2 - 3 * c         (1)

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    From inequality(1)：
         c < -3.185557 或  c ＞ 4.185557

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    The final solution set is :
         c < -3.185557 或  c ＞ 4.185557

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