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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -2*x*x+3*x+4 >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -2 * x * x + 3 * x + 4 >0         (1)

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    From inequality(1)：
         -0.850781 < x < 2.350781

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    The final solution set is :
         -0.850781 < x < 2.350781

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