(-5x ⁵+14)-(11x ²+1+11x ⁵)
Like terms: -5x ⁵-11x ⁵ = -16x ⁵ 
Like terms also: 14-1 = 13
Simplified all together: -16x ⁵ - 11x ²+ 13
(Always put highest degree first)
        
             
        
        
        
The equation would just be x=8 since the x of both points is 8. 
        
             
        
        
        
Asked and answered elsewhere.
brainly.com/question/1410592_____
Google doesn't recognize the terms "defects method" except in association with various postings of this same problem.
 
        
        
        
Are you sure you wrote all the correct numbers because it does not work