Answer :
-3^2 + (((5*8)-(5*6))/2 + 45)/5
9 + ((40-30)/2 + 45)/5
9 + (10/2 + 45)/5
9 + (5 + 45)/5
9 + 50/5
9 + 10 = 19
9 + ((40-30)/2 + 45)/5
9 + (10/2 + 45)/5
9 + (5 + 45)/5
9 + 50/5
9 + 10 = 19