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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （x+13）^2-28(x^2-x-2) >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( x + 13 ) ^ 2 - 28 * ( x ^ 2 - x - 2 ) >0         (1)

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    From inequality(1)：
         -2.05505 < x < 4.05505

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    The final solution set is :
         -2.05505 < x < 4.05505

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