Answer:
Step-by-step explanation:
P = x^2 + 6

Solving for 4x^2:
P = x^2 +6
P - 6 = x^2
4(P - 6) = 4x^2
Substitution:

 
        
             
        
        
        
Answer:
No extra pieces.
Step-by-step explanation:
Given:
Total number of foot board = 3
Equally divided into =  1/2 
Question asked:
How many extra pieces will I have = ?
Solution:
By dividing 3 by 1/2 we can find the extra pieces.
                                                                  = 
                                                                  = 
                                                                  = 
Since, the remainder is zero, thus there is no any extra pieces I have.