Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "y2"   was replaced by   "y^2". 

Step  1  :

Equation at the end of step  1  :

  (y2) -  (2•5y25)
 Step  2  :
 Step  3  :

Pulling out like terms :

 3.1     Pull out like factors :

   y² - 10y²⁵  =   -y² • (10y²³ - 1) 

Final result :

  -y2 • (10y23 - 1)