Question

N6
1) (12 c + 16d) - ( 6 c - 7 d) =

2)4(x+y)-5(3x+2y)=

Answer 1

1) (12c + 16d) - ( 6c - 7d)= 12c + 16d - 6c + 7d = 6c + 23d

2)4(x+y)-5(3x+2y)= 4x + 4y - 15x - 10y = - 11x - 6y

Answer 2

Ответ:

(12c+16d)-(6c-7d)

12c+16d-6c+7d

6c+23d

4(x+y)-5(3x+2y)

4x+4y-15x-10y

-11x-6y

Пошаговое объяснение: