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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality x^4+12x^3-26x^2+12x+1 ≥0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x ^ 4 + 12 * x ^ 3 - 26 * x ^ 2 + 12 * x + 1 ≥0         (1)

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    From inequality(1)：
         x ≤ -13.928203 或  -0.071797 ≤ x ≤ 1 或  1 ≤ x ≤ 1 或  x ≥ 1

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    The final solution set is :
         x ≤ -13.928203 或  -0.071797 ≤ x ≤ 1 或  1 ≤ x ≤ 1 或  x ≥ 1

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