Question

x pe 18 =√432 pe√192 repede repede

Answer 1

$\frac{x}{18} = \frac{ \sqrt{432} }{\sqrt{192}} \\ \sqrt{192} x=18\sqrt{432} \\ x=18 \sqrt{432} : \sqrt{192}=\sqrt{139968}: \sqrt{192} \\ \boxed{x=729}.$