Solution - Simplification or other simple results

Step  1  :

            g
 Simplify   —
            5

Equation at the end of step  1  :

       g
  (4 • —) • g
       5

Step  2  :

Multiplying exponential expressions :

 2.1    g¹ multiplied by g¹ = g^{(1 + 1)} = g²

Final result :

  4g2
  ———
   5