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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 2(x^2+2/5x)-3 <0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        2 * ( x ^ 2 + 2 / 5 * x ) - 3 <0         (1)

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    From inequality(1)：
         -1.440967 < x < 1.040967

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    The final solution set is :
         -1.440967 < x < 1.040967

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