Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-2" was replaced by "^(-2)".

Step  1  :

Equation at the end of step  1  :

Step  2  :

                 1
 Divide  5  by  ——
                52

Multiplying exponents :

 2.1    5¹  multiplied by  5²   = 5^{(1 + 2)} = 5³

Final result :

  53