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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 3（x-2）（x-1）+（2x-1）^2-7（x+3）（x-3） >28 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        3 * ( x - 2 ) * ( x - 1 ) + ( 2 * x - 1 ) ^ 2 - 7 * ( x + 3 ) * ( x - 3 ) >28         (1)

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    From inequality(1)：
         x < 3.230769

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    The final solution set is :
         x < 3.230769

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