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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 5x^2+15x-44.8 ≤0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        5 * x ^ 2 + 15 * x - 44.8 ≤0         (1)

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    From inequality(1)：
         -4.848134 ≤ x ≤ 1.848134

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    The final solution set is :
         -4.848134 ≤ x ≤ 1.848134

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