Step-by-step explanation:

-14x²-1≠0
x²≠ -1/14
Option C
 
        
             
        
        
        
Answer: 4
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
252
Step-by-step explanation:
 
        
                    
             
        
        
        
There are two methods to do this:
1. 2(x + 1) = 38
2*x + 2*1 = 38 (Expand the bracket)
2x + 2 = 38
2x = 36 (Subtract 2 from both sides)
x = 18 (Divide each side by 2)
2. 2(x + 1) = 38
(x + 1) = 19 (Divide each side by 2)
x = 18 (Subtract 1 from each side)