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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 2558.5 <14.3*800x(x/2-30)-(1021.28-1.47x)*840 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        2558.5 <14.3 * 800 * x * ( x / 2 - 30 ) - ( 1021.28 - 1.47 * x ) * 840         (1)

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    From inequality(1)：
         x < -2.418321 或  x ＞ 62.202447

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    The final solution set is :
         x < -2.418321 或  x ＞ 62.202447

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