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

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

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    From inequality(1)：
         -1.156728 < x < -1 或  0 < x < 1.85356

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    The final solution set is :
         -1.156728 < x < -1 或  0 < x < 1.85356

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