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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (2t^2+15t+7)^2 >-(16t^2+28t+49)(t^2+2t+4) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 2 * t ^ 2 + 15 * t + 7 ) ^ 2 > - ( 16 * t ^ 2 + 28 * t + 49 ) * ( t ^ 2 + 2 * t + 4 )         (1)

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    From inequality(1)：
         t < -7 或  -7 < t < -1/2 或  t ＞ -1/2

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    The final solution set is :
         t < -7 或  -7 < t < -1/2 或  t ＞ -1/2

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