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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality x^6-21x^5+175x^4-735x^3+1624x^2-1764x+720 >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x ^ 6 - 21 * x ^ 5 + 175 * x ^ 4 - 735 * x ^ 3 + 1624 * x ^ 2 - 1764 * x + 720 >0         (1)

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    From inequality(1)：
         x < 1 或  2 < x < 3 或  4 < x < 5 或  x ＞ 6

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    The final solution set is :
         x < 1 或  2 < x < 3 或  4 < x < 5 或  x ＞ 6

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