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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 256x^4-628x^2-128 <0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        256 * x ^ 4 - 628 * x ^ 2 - 128 <0         (1)

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    From inequality(1)：
         -1.625531 < x < 1.625531

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    The final solution set is :
         -1.625531 < x < 1.625531

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