Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

    d
  (—— • 34x4) • x
   dx

Step  2  :

             d
 Simplify   ——
            dx

Canceling Out :

 2.1    Canceling out d as it appears on both sides of the fraction line

Equation at the end of step  2  :

   1
  (— • 34x4) • x
   x
 Step  3  :

Multiplying exponential expressions :

 3.1    x³ multiplied by x¹ = x^{(3 + 1)} = x⁴

Final result :

  81x4