Solution - Power equations

Step  1  :

Equation at the end of step  1  :

          (53)
  (52) -  ————
           52 

Step  2  :

Equation at the end of step  2  :

          53
  (52) -  ——
          52

Step  3  :

            53
 Simplify   ——
            52

Dividing exponents :

 3.1    5³   divided by   5²   = 5^{(3 - 2)} = 5¹ = 5

Equation at the end of step  3  :

  (52) -  5

Step  4  :

Equation at the end of step  4  :

  52 -  5

Step  5  :

Final result :

  20