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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (-1+2x-x^2)(x^2+5x+4)*(x-3)^3 >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( -1 + 2 * x - x ^ 2 ) * ( x ^ 2 + 5 * x + 4 ) * ( x - 3 ) ^ 3 >0         (1)

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    From inequality(1)：
         x < -4 或  -1 < x < 1 或  1 < x < 3

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    The final solution set is :
         x < -4 或  -1 < x < 1 或  1 < x < 3

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