Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

  (0 -  (23•32x2)) -  45x

Step  2  :

Step  3  :

Pulling out like terms :

 3.1     Pull out like factors :

   -72x² - 45x  =   -9x • (8x + 5) 

Final result :

  -9x • (8x + 5)