Question

УПРОСТИТЕ ВЫРАЖЕНИЕ
8m-(12m-(2n+m))

Answer 1

8m-(12m-(2n+m))=8m-12m+(2n+m)=8m-12m+2n+m=-3m+2n

Answer 2

8m-12m+2n+m=2n-3m

Ответ:2n-3m