y(x-y-z)(a-m+n)*(-5)

y(x-y-z)

(a-m+n)*(-5)

Ответ:

y(x-y-z)=xy-y^2-zy

(a-m-n)*(-5)=-5a+5m+5n

Ответ #2:

y(x-y-z) = yx - y² - yz

(a-m+n)*(-5) = -5a + 5m - 5n = 5m - 5a - 5n

Источник: https://znanija.com/task/331095