rickettsmell26 rickettsmell26

25-06-2017
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 Reset Selection

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ghanami ghanami

25-06-2017

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

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Darknexus Darknexus

28-06-2017

The answer is D.

-7y2 - 13 y - 18

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