Answer:
112
Step-by-step explanation:
When you subtract the two together it is 112.
392
m = 8 and n = 14
Substituting the values of m and n in the question, we get :
7m + 3mn
=( 7 x 8) +(3 x 8 x 14)
= 56 + 336
= 392
Hope this is what you are looking for! :)
