memelord0111011 memelord0111011
  • 02-02-2019
  • Mathematics
contestada

Can someone explain to me how to do this???

Can someone explain to me how to do this class=

Respuesta :

mathecoach
mathecoach mathecoach
  • 02-02-2019

Answer:

x^2 + 16^2 = (x + 8)^2

x^2 + 256 = x^2 + 16*x + 64

256 = 16*x + 64

192 = 16*x

x = 12

Answer D is correct.

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