Solution - Simplification or other simple results

Step  1  :

            d
 Simplify   —
            d

Equation at the end of step  1  :

  (1 • z) • 10z

Step  2  :

Multiplying exponential expressions :

 2.1    z¹ multiplied by z¹ = z^{(1 + 1)} = z²

Final result :

  10z2