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22-05-2018
Mathematics

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x^2+16x=13
[tex] {x}^{2} + 16x = 13[/tex]

Respuesta :

22-05-2018

Solve by completing the square:

x² + 16x + 64 = 13 + 64
(x + 8)² = 77
x + 8 = +/- √77

x = - 8 +/- √77

OR

x = - 8 - √77, - 8 + √77

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