amarO9le3seKa amarO9le3seKa
  • 19-11-2016
  • Mathematics
contestada

Solve 2x2 + 8x - 12 = 0 by completing the square. Show step-by-step solution

Respuesta :

syed514
syed514 syed514
  • 20-11-2016
Factor out 2 x^2 +4x -6 = 0

Take half middle coefficient and square it:
x^2 +4x +4 -6 = 4 (x+2)^2
                       = 10 x+2
                       = sqrt(10) x
                       = +-sqrt(10) -2
Answer Link
brandontuohy03
brandontuohy03 brandontuohy03
  • 09-04-2019

Answer:

112

Step-by-step explanation:

i dont have a explanation i just have a answer.

Answer Link

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