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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -20(x-35)²+22500 ≤4480 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -20 * ( x - 35 ) ^ 2 + 22500 ≤4480         (1)

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    From inequality(1)：
         x ≤ 4.983338 或  x ≥ 65.016662

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    The final solution set is :
         x ≤ 4.983338 或  x ≥ 65.016662

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