Answer:
The value of a + b = 9
Explanation:
Step(i):-
Given expression
3(2m + 5) - 6(4m - 2)
= 6 m + 15 -24m +12
= (6-24) m +27
= -18 m +27
Step(ii):-
Given that the form am + b
- 18 m + 27
where a=-18 and b = 27
The value of a + b = - 18 + 27 = 9
Final answer:-
The value of a + b = 9