Respuesta :

In order to solve this expression, first we need to calculate the square root of 9, which is 3:

[tex]\begin{gathered} 3\sqrt[]{9}\cdot4\sqrt[]{3} \\ =3\cdot3\cdot4\cdot\sqrt[]{3} \\ =36\sqrt[]{3} \end{gathered}[/tex]

So the final result is 36√3.