Stunna14 Stunna14
  • 29-04-2021
  • Mathematics
contestada

Solve the equation below by completing the square.
x? + 8x = -11

Solve the equation below by completing the square x 8x 11 class=

Respuesta :

mariambuchukuri7 mariambuchukuri7
  • 29-04-2021

Answer:

[tex]x { }^{2} + 8x + 11 = 0 \\ d = 64 - 44 = 20 \\ x1 = \frac{ - 8 - \sqrt{20} }{2} = - 4 - \sqrt{5} \\ x2 = \frac{ - 8 + \sqrt{20} }{2} = - 4 + \sqrt{5} [/tex]

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