Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

  (23•5u2) +  u

Step  2  :

Step  3  :

Pulling out like terms :

 3.1     Pull out like factors :

   40u² + u  =   u • (40u + 1) 

Final result :

  u • (40u + 1)