Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "x7"   was replaced by   "x^7". 

Step  1  :

Equation at the end of step  1  :

  (3 • (x2)) -  (2•3•5x75)
 Step  2  :

Equation at the end of step  2  :

  3x2 -  (2•3•5x75)

Step  3  :

Step  4  :

Pulling out like terms :

 4.1     Pull out like factors :

   3x² - 30x⁷⁵  =   -3x² • (10x⁷³ - 1) 

Final result :

  -3x2 • (10x73 - 1)