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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （x-3）×（5+x）×（x-1） <0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( x - 3 ) × ( 5 + x ) × ( x - 1 ) <0         (1)

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    From inequality(1)：
         x < -5 或  1 < x < 3

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    The final solution set is :
         x < -5 或  1 < x < 3

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