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15 December, 03:56

What is the difference of the rational expressions below?

3x/x-5 - 4/x

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Answers (1)
  1. 15 December, 04:40
    0
    3x^2-4x+20/x^2-5x.

    Step-by-step explanation:

    The given rational expression is:

    3x/x-5 - 4/x

    Hence to find the difference of the rational numbers we have to take the L. C. M of the denominators:

    Thus the L. C. M of x-5 and x is (x-5) (x) and then solve for the numerator:

    x (3x) - 4 (x-5) / (x-5) (x)

    Now solve the numerator and denominator:

    3x^2-4x+20/x^2-5x

    Thus the answer is 3x^2-4x+20/x^2-5x ...
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