cheyennelyn2141 cheyennelyn2141
  • 22-10-2019
  • Mathematics
contestada

Perform the indicated operation.(4r/r+3) - (5/r)

Respuesta :

lyndalau86
lyndalau86 lyndalau86
  • 22-10-2019

Answer:

4r² - 5r - 15 / r(r+3)

Step-by-step explanation:

To solve this problem, we will proceed the following way, writing down the common multiple of the denominators.

[tex]\frac{4r}{r+3} -\frac{5}{r} =\frac{4r(r)-5(r+3)}{r(r+3)} =\frac{4r^{2}-5r-15 }{r(r+3)}[/tex]

Thus, the answer is 4r² - 5r - 15 / r(r+3)

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