 
Andrew M. answered  01/16/18
Tutor
                    
    New to Wyzant
            Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
Distributive property says a(b+c) = ab + ac
All you have to do is multiply each term in the
parenthesis by 3
3(x+12) = 3x + 3(12) = 3x + 36
     
     
             
                     
                    