jenaveewiench
jenaveewiench
22-03-2018
Mathematics
contestada
solve for x.
8x^2-3=2
Respuesta :
Astute
Astute
22-03-2018
[tex] (2^3x^2 - 3) - 2 = 0 \\ \\ Factoring: \ 8x^2-5 \\ \\ 8x^2 - 5 = 0 \\ \\ Add \ 5 \ to \ both \ sides \ of \ the \ equation : \\ \\ 8x^2 = 5 \\ \\ Divide \ both \ sides \ of \ the \ equation \ by \ 8: \\ \\ x^2 = \frac{5}{8} = 0.625 \\ \\ \boxed{ x =\pm \sqrt 5/8} [/tex]
Your answer:
Option A
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