Ju8lya5hIann Ju8lya5hIann
  • 25-02-2017
  • Mathematics
contestada

Solve by using the perfect squares method.
(2x + 4)^2 = 64
Question 2 options:

{–1, 5}

{2, –6}

{1, –5}

{–2, 6}

Respuesta :

Amena2000
Amena2000 Amena2000
  • 25-02-2017
2x+4=sqrt(64)
x=8-4/2
x=-8-4/2

x=2 and x = -6
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