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10-12-2016
Mathematics

contestada

solve for z
[tex] \sqrt{ z^{2}+8z } +4=z [/tex]

Respuesta :

10-12-2016

(√z²+8z) + 4 = z
z + 2√2 z + 4 = z
2√2 z = -4
z = -4 / 2√2
z = -2/√2
z = -√2

So, your final answer is -√2

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