Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

  (5 • (x3)) -  7x2
 Step  2  :

Equation at the end of step  2  :

  5x3 -  7x2

Step  3  :

Step  4  :

Pulling out like terms :

 4.1     Pull out like factors :

   5x³ - 7x²  =   x² • (5x - 7) 

Final result :

  x2 • (5x - 7)