faithg3263 faithg3263
  • 02-08-2020
  • Mathematics
contestada

Factor .
X2-x-56=0

PLEASE HELP!!!

Respuesta :

hbj
hbj hbj
  • 02-08-2020

Answer:

use factoring x (see attachment)

-8 x 7 = -56

-8 + 7 = -1

(x - 8)(x + 7) = 0

x = 8, -7

hope this helps :)

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