stiggertymonde stiggertymonde
  • 09-07-2018
  • Mathematics
contestada

Solve the equation using the method of completing the square 2x^2+16x-8=0

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konrad509
konrad509 konrad509
  • 09-07-2018
[tex]2x^2+16x-8=0\\ x^2+8x-4=0\\ x^2+8x+16-20=0\\ (x+4)^2=20\\ x+4=\sqrt{20} \vee x+4=-\sqrt{20}\\ x=-4+2\sqrt5 \vee x=-4-2\sqrt5[/tex]
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1018706pet
1018706pet 1018706pet
  • 14-01-2021

Answer:

c.

Step-by-step explanation:

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