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

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

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    From inequality(1)：
         -2 < x < 0

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    The final solution set is :
         -2 < x < 0

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