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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality x^4+14x^2-16x-6 <0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x ^ 4 + 14 * x ^ 2 - 16 * x - 6 <0         (1)

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    From inequality(1)：
         -0.297217 < x < 1.309649

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    The final solution set is :
         -0.297217 < x < 1.309649

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