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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality [n^2*(405.768+32.988n)]/6+426.787n+1915.68 ≥2287.26+574.26n+[n^2*(252.801+11.279n)]/5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( n ^ 2 * ( 405.768 + 32.988 * n ) ) / 6 + 426.787 * n + 1915.68 ≥2287.26 + 574.26 * n + ( n ^ 2 * ( 252.801 + 11.279 * n ) ) / 5         (1)

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    From inequality(1)：
         -8.92251 ≤ n ≤ -2.194611 或  n ≥ 5.852856

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    The final solution set is :
         -8.92251 ≤ n ≤ -2.194611 或  n ≥ 5.852856

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