Solution - Simplification or other simple results

Step  1  :

            3x + 5
 Simplify   ——————
              x2  

Equation at the end of step  1  :

   d   (3x + 5)
  —— • ————————
  dx      x2   

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   (3x + 5)
  — • ————————
  x      x2   

Step  3  :

Multiplying exponential expressions :

 3.1    x¹ multiplied by x² = x^{(1 + 2)} = x³

Final result :

  3x + 5
  ——————
    x3