Respuesta :

Answer:

= 12

Step-by-step explanation:

{ 3 × [tex]3^{2}[/tex] - 3 } -3 × 4

Solve the brackets first

{3 × 9 - 3 } -3 × 4

{ 27 -3 } -3 × 4

24 - 3 × 4

24 - 12

= 12