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

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

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    From inequality(1)：
         x ＞ -5

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    The final solution set is :
         x ＞ -5

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