Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

  32m2 -  30m

Step  2  :

Step  3  :

Pulling out like terms :

 3.1     Pull out like factors :

   9m² - 30m  =   3m • (3m - 10) 

Final result :

  3m • (3m - 10)