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2 January, 10:15

Which is equivalent to 3x/x+5 - x-5/x

A: x^2+25/x (x+5)

B: 2x^2+25/x (x+5)

C: 2 (x+5) / x (x+5)

D: 2 (x-5) / x (x+5)

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Answers (1)
  1. 2 January, 11:03
    0
    LCM of x+5 and x is x (x+5)

    multiplying each term by x (x+5) gives us the numerator:-

    = 3x^2 - (x-5) (x+5)

    = 3x^2 - (x^2 - 25)

    = 2x^2 + 25

    so answer is

    2x^2 + 25 / x (x+5)

    Its B
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