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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （x^2-x-14）/（x^2-3x-4） ≤2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( x ^ 2 - x - 14 ) / ( x ^ 2 - 3 * x - 4 ) ≤2         (1)
        From the definition field of divisor
         x ^ 2 - 3 * x - 4 ≠ 0        (2 )

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    From inequality(1)：
         x ≤ -1 或  2 ≤ x ≤ 3 或  x ≥ 4
    From inequality(2)：
         x < -1 或  -1 < x < 4 或  x ＞ 4

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    From inequalities (1) and (2)
         x < -1 或  2 ≤ x ≤ 3 或  x ＞ 4    (3)

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    The final solution set is :
         x < -1 或  2 ≤ x ≤ 3 或  x ＞ 4

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