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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （3x^2-3x+6-x^3+x^2-2）÷（-x^2+10x-21） ≥0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 3 * x ^ 2 - 3 * x + 6 - x ^ 3 + x ^ 2 - 2 ) ÷ ( -x ^ 2 + 10 * x - 21 ) ≥0         (1)

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    From inequality(1)：
         3 ≤ x ≤ 3.467504 或  x ≥ 7

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    The final solution set is :
         3 ≤ x ≤ 3.467504 或  x ≥ 7

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