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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 30x+x^2-x÷2 <1200 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        30 * x + x ^ 2 - x ÷ 2 <1200         (1)

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    From inequality(1)：
         -52.400531 < x < 22.900531

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    The final solution set is :
         -52.400531 < x < 22.900531

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