X=(-4) or X= 4
add 112 to both sides
divide both sides by 7
then take the square root of 16
        
                    
             
        
        
        
0.034833091436865              This is the answer. Sorry   but can't show work
        
                    
             
        
        
        
Answer:
8
Step-by-step explanation:
8*8=64
 
        
             
        
        
        
Answer:
Steps and solution in the attached picture.
Step-by-step explanation:
Steps and solution in the attached picture.