Respuesta :

Answer:

[tex] 3i \sqrt{6} [/tex]

Step-by-step explanation:

[tex] \sqrt{ - 54} [/tex]

[tex] \sqrt{ - 9 \times 6} [/tex]

[tex] \sqrt{ - 9} \sqrt{6} [/tex]

[tex]3i \sqrt{6} [/tex]