Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

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

Step  3  :

Step  4  :

Pulling out like terms :

 4.1     Pull out like factors :

   3x² + 5x  =   x • (3x + 5) 

Final result :

  3x + 5