Verified Answer :

AvaraFraser

(-3y2 - 7y - 9) - (4y2 + 6y + 9)


remove the parantheses

-3y^2 - 7y - 9 + 4y^2 + 6y + 9


combine like terms


y^2 - y


A is the correct answer. :)

Sophia264

The answer is D.

-7y2 - 13 y - 18


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