mubarakabdi619 mubarakabdi619
  • 26-04-2020
  • Mathematics
contestada

The square of a number is 15 more than 2 times the number

Respuesta :

wlaaalisaid wlaaalisaid
  • 26-04-2020

x^2 = 2x + 15

x^2 -2x - 15 = 0

Factor:

(x-5)(x+3) = 0

x = 5 or x = -3

Answer Link

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