shell9193ot8rw4 shell9193ot8rw4

18-07-2017
Mathematics

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Solve the quadratic equation by completing the square.
=+x^2+16x +61=0

Respuesta :

texaschic101 texaschic101

18-07-2017

x^2 + 16x + 61 = 0
x^2 + 16x = -61
x^2 + 16x + 64 = -61 + 64
(x + 8)^2 = 3
x + 8 = (+-) sqrt 3
x = -8 (+-) sqrt 3

x = -8 + sqrt 3...and x = -8 - sqrt 3 <== ur solutions

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