Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "x4"   was replaced by   "x^4". 

Step  1  :

Equation at the end of step  1  :

  (25 • (x2)) -  (2•5•7x49)
 Step  2  :

Equation at the end of step  2  :

  52x2 -  (2•5•7x49)

Step  3  :

Step  4  :

Pulling out like terms :

 4.1     Pull out like factors :

   25x² - 70x⁴⁹  =   -5x² • (14x⁴⁷ - 5) 

Final result :

  -5x2 • (14x47 - 5)