Answer:
27x-64x^2
Step-by-step explanation:
Distribute the 8x
3x-64x^2+24x
Combine like terms (3x and 24x) 
27x-64x^2
 
        
                    
             
        
        
        
If the ^ is a divided sign then 5x if it’s a multiplication sign 20x! Don’t forget Order of operations.
        
             
        
        
        
Answer:
30.72
Step-by-step explanation: