egraue egraue
  • 06-08-2016
  • Mathematics
contestada

Divide: (x^3-20x+16)÷(x-4)

Respuesta :

garydesir1
garydesir1 garydesir1
  • 06-08-2016

Hi


x³ - 20x + 16 / x -4

In this case you need to factorize first

(x-4)(x²+4x-4) / (x-4)

Now there are two common factors so you just need to eliminate them. So now we only have

x² + 4x -4

That's the answer :)


I hope that's help:) Any question ?

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