8(3-3.5m)-20+23m при m=2.5,1,2,40

Question

8(3-3.5m)-20+23m при m=2.5,1,2,40

Answer 1

24-28m - 20+23 m
4-5m
4-5*2.5
4-12.5=-8.5

4-5*1=4-5=-1
4-5*2=4-10=-6
4-5*40=4-200=-196