-5(0.9m-1.1n)-2.5m+1.5n срооочно сижу ** экзамене

Question

-5(0.9m-1.1n)-2.5m+1.5n срооочно сижу на экзамене

Answer 1

- 5(0,9m - 1.1n) - 2.5m + 1.5n = -4.5m + 5.5n - 2.5m + 1.5n = - 6.0m +7.0n

Answer 2

-5(0.9m-1.1n)-2.5m+1.5n
-5(0.9m+2.5m)-1.1n+1.5n
-5•3.4m-2.6n