Answer:
5 and 4
Step-by-step explanation:
So if, x equals 2 then all you do is turn the x into a 2.
So you rewrite the equation into,
2 + 3 and 2 x 2,
Which would be 5 and 4 
Hope this helps!
 
        
             
        
        
        
No, all linear pairs are supplementary but all supplementary angles are not linear pairs. 
        
             
        
        
        
The answers my dear friends is 15x^6-20x^5+10x^4