Allone57 Allone57

17-01-2017
Mathematics

contestada

Combine like terms.

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

A. y2 - y

B. -9y2 - 11y - 18

C. 7y2 + 13y + 18

D. -7y2 - 13y - 18

Respuesta :

AvaraFraser AvaraFraser

17-01-2017

(-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. :)

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Sophia264 Sophia264

17-01-2017

The answer is D.

-7y2 - 13 y - 18

Answer Link

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