Answer:
i think D
Step-by-step explanation:
im not great at math but yea i think D
 
        
                    
             
        
        
        
Answer:
The constants are -15 and 9
Step-by-step explanation:
Constants are those numerical values that will never change, despite the value of x. The easiest way to find them are by finding those numbers that are not affecting x in any way. 
 
        
                    
             
        
        
        
Sent a picture of the solution to the problem (s).
 
        
        
        
Answer:    C -1
calculate it from i and imaginary numbers