Respuesta :
					                   So in this problem you would have to distribute the 3 into the parentheses. 
When you do that you end up getting 69d+12d-18d
Then just add to get 81d-18d
So your final answer is 63d
:)
					                
					             When you do that you end up getting 69d+12d-18d
Then just add to get 81d-18d
So your final answer is 63d
:)
