zionna14 zionna14
  • 02-04-2021
  • Mathematics
contestada

[tex]\sqrt(12-8x)=x-3[/tex]

Respuesta :

clarch19
clarch19 clarch19
  • 02-04-2021

Answer:

x = -3 and x = 1

Step-by-step explanation:

first, square each side

12 - 8x = x² - 6x + 9

x² + 2x - 3 = 0

(x - 1)(x + 3) = 0

x = -3

x = 1

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