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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 20x^2-4 <-16x .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        20 * x ^ 2 - 4 < -16 * x         (1)

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    From inequality(1)：
         -1 < x < 1/5

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    The final solution set is :
         -1 < x < 1/5

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