Solution - Power equations

Step  1  :

Equation at the end of step  1  :

             52
  16 -  (3 • ——)
             5 

Step  2  :

            52
 Simplify   ——
            5 

Dividing exponents :

 2.1    5²   divided by   5¹   = 5^{(2 - 1)} = 5¹ = 5

Equation at the end of step  2  :

  16 -  (3 • 5)

Step  3  :

Final result :

  1