(a + b)k + (a+b)c = a(7x+y) - b(7x+y) = x(5 - b) - (5 - b) =

Ответ:

1. (a + b)(k + c)

2. a(7x + y) - b(7x + y) = (a - b)(7x + y)

3. x(5 - b) - (5 - b) = (x - 1)(5 - b)

Объяснение: user chat gpt