1) 2(30x-24)
    60x-48
2) 3(20x-16)
    60x-48
3) 4(15x-12)
    60x-48
Simplify
60x-48
12(5x-4)
Answer: 12(5x-4)
        
             
        
        
        
(f-g)(x) will be 3x^2 -2x+4 -(5x^2+6×-8)
distribute the -sign, gives us 
3x^2-2x+4-5x^2-6x+8,
now combine like terms and should get,
-2x^2-8x+12,
final answer,
(f-g)(x)= -2x^2-8x+1×,
hope it helped,
good luck
        
                    
             
        
        
        
yes because you have to pay more it's tricky
 
        
             
        
        
        
Answer:
0
Step-by-step explanation:
This question is impossible to answer
 
        
                    
             
        
        
        
Answer: The Answer is 10 
Step-by-step explanation: