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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 1.2x^2+3.5x-4.8 ≤0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        1.2 * x ^ 2 + 3.5 * x - 4.8 ≤0         (1)

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    From inequality(1)：
         -3.933558 ≤ x ≤ 1.016891

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    The final solution set is :
         -3.933558 ≤ x ≤ 1.016891

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