Question

log en base 8 de [2(x a la 3 + 5)] = 2

Answer 1

$log_{8} (2( x^{3} +5)) =2$

$8^{2} = 2( x^{3} +5)$

$64 = 2 x^{3} + 10$

$64-10 = 2 x^{3}$

$54 = 2 x^{3}$

$\frac{54}{2} = x^{3}$

$27 = x^{3}$

$x = 3$