The answer would be 17n+6.
 
        
                    
             
        
        
        
Step-by-step explanation:
If you use synthetic division, you get,

Which is,

Answered by GAUTHMATH
 
        
             
        
        
        
Answer:
Hello!!! Princess Sakura here ^^
Step-by-step explanation:
When you combine like terms you see the ones that are similar then you add or subtract, depends on what the signs are. For this one -7x is similar to x so in this case you would add x to the -7x which will give you -6x.
 
        
             
        
        
        
Step-by-step explanation:
6x + 15
3 (2x + 5)
0r 
(3 × 2x) + (3 × 5)