Question

Булочки, прощу вас!(

Answer 1

(2y² + 8y – 11) + (3y² – 6y + 3) = 5y² + 2y – 8

(2y² + 8y – 11) – (3y² – 6y + 3) = –y² + 14y – 14

Answer 2

Ответ:

1) 10y³ - 11 = -1y³ ?

2) -3y³ + 3 = y³ ?