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

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

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    From inequality(1)：
         x < -1.791288 或  x ＞ 2.791288

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    The final solution set is :
         x < -1.791288 或  x ＞ 2.791288

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