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

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

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    From inequality(1)：
         x ≤ -3 或  x ≥ -1

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    The final solution set is :
         x ≤ -3 或  x ≥ -1

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