meroc6hanFiynehanis
meroc6hanFiynehanis meroc6hanFiynehanis
  • 16-08-2016
  • Mathematics
contestada

find any real solutions for the following quadratic equations.

2 x2 - 8 = 0

x2 = -5

Respuesta :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 26-08-2016
2x^2 - 8 = 0
2x^2 = 8
x^2 = 8/2 = 4
x = sqrt(4) = 2 or -2
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