Answer:
45
Step-by-step explanation:
First, do what's in the parenthisies:
[tex]3(27-12)[/tex]⇒[tex]3(15)[/tex]
Second, multiply 3 and 15 to get your anwser:
[tex]3(15)[/tex]⇒[tex]45[/tex]
[tex]*3(15) =[/tex]3×15