Overview: 2 questions will be solved this time.Among them
           ☆2 inequalities

[ 1/2Inequality]
    Assignment:Find the solution set of inequality {51x+2xx ) >1500 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 51 * x + 2 * x * x ) >1500         (1)

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    From inequality(1)：
         x < -42.958649 或  x ＞ 17.458649

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    The final solution set is :
         x < -42.958649 或  x ＞ 17.458649
[ 2/2Inequality]
    Assignment:Find the solution set of inequality {x ) >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( x ) >0         (1)

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    From inequality(1)：
         x ＞ 0

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    The final solution set is :
         x ＞ 0

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