Answer:

Step-by-step explanation:
Multiply those together and combine like terms.  Then make sure you order the terms in descending powers.
 
        
             
        
        
        
4 and 5 because it talks about how
        
             
        
        
        
3 terms
https://youtu.be/0sq2PMQ_Nak
use that video to help you.
        
                    
             
        
        
        
Answer: 
q= -3
Step-by-step explanation:
 
        
             
        
        
        
After 12 years
3500 * 2 = 7000
after 24 years
7000 * 2 = 14000
14000 : 3500 = 4
so the answer is 24 years