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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （x+4）×（x+2）×（x+3） ≤0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( x + 4 ) × ( x + 2 ) × ( x + 3 ) ≤0         (1)

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    From inequality(1)：
         x ≤ -4 或  -3 ≤ x ≤ -2

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    The final solution set is :
         x ≤ -4 或  -3 ≤ x ≤ -2

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