Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

  ((2 • (a2)) • b) -  23ab2
 Step  2  :

Equation at the end of step  2  :

  (2a2 • b) -  23ab2

Step  3  :

Step  4  :

Pulling out like terms :

 4.1     Pull out like factors :

   2a²b - 8ab²  =   2ab • (a - 4b) 

Final result :

  2ab • (a - 4b)