Question

Combine like terms. (–3y2 – 7y – 9) – (4y2 + 6y + 9) A. y2 – y B. –9y2 – 11y – 18 C. 7y2 + 13y + 18 D. –7y2 – 13y – 18 Reset Selection

Answer 1

The answer is D.

-7y2 - 13 y - 18

Answer 2

hello :
(–3y2 – 7y – 9) – (4y2 + 6y + 9) = –3y2 – 7y – 9 – 4y2 - 6y - 9 =-7y²-13y-18
( answer : D)