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

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

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    From inequality(1)：
         x ≤ -4.645751 或  -1 ≤ x ≤ 0.645751 或  x ≥ 2

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    The final solution set is :
         x ≤ -4.645751 或  -1 ≤ x ≤ 0.645751 或  x ≥ 2

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