Question

ПОМОГИТЕ СРОЧНО ПОЖАЛУЙСТА​

Answer 1

Ответ:

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

7m(2m^2+3n^2) - 4n(2m^2+3n^2)

ax^2 - bx^2 - ay + cy - cx^2 + by = (ax^2 - bx^2 - cx^2) - (ay - by - cy) = x^2(a-b-c) - y(a-b-c)