12(2-3m)+35m-9(m+1 при m=2

Question

12(2-3m)+35m-9(m+1 при m=2

Answer 1

24-36m+35m-9m-9=15-10m=5*(3-2m)=5*(3-2*2)=-5

Answer 2

24-36m+35-9m-9=0 24-72+35-18-9=-40