It will be the last one a×b×b
        
             
        
        
        
It sum.because <span>basically you are adding them up</span>
        
                    
             
        
        
        
Answer:
-5c
Step-by-step explanation:
c+c-7c > 2c-7c = -5c
 
        
             
        
        
        
Answer:
C
Step-by-step explanation:
(f + g)(x) = f(x) + g(x) , thus
f(x) + g(x)
= 2x + 1 + x² - 7 ← collect like terms
= x² + 2x - 6 → C
 
        
             
        
        
        
Answer:
Step-by-step explanation: