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Find the sum and choose the correct answer. 2n 3 + 4n 2 - 7 and -n 3 - 8n - 2
Question
Asked 1/29/2015 9:21:27 AM
Updated 1/30/2015 8:09:06 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by janezeshun [1/30/2015 8:07:52 AM]
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Original conversation
User: Find the sum and choose the correct answer. 2n 3 + 4n 2 - 7 and -n 3 - 8n - 2

Weegy: Can you provide us the options and clarify the equation given please.
jeifunk|Points 41323|

Question
Asked 1/29/2015 9:21:27 AM
Updated 1/30/2015 8:09:06 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by janezeshun [1/30/2015 8:07:52 AM]
New answers
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3
2n^3 + 4n^2 - 7 + (-n^3 - 8n - 2)
= 2n^3 - n^3 + 4n^2 - 8n - 7 - 2
= n^3 + 4n^2 - 8n - 9
Added 1/30/2015 8:09:06 AM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [1/30/2015 2:01:54 PM]
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Questions asked by the same visitor
Simplify the expression. 3(2y - 8) - 2y(5 - y)
Weegy: - y(2y^3 - 8) (-y)(2y^3) + (-y)(-8) -2y^3 + 8y (More)
Question
Updated 1/30/2015 2:47:49 AM
1 Answer/Comment
3(2y - 8) - 2y(5 - y)
= (6y - 24) - (10y - 2y^2)
= 2y^2 - 4y - 24
Added 1/30/2015 2:47:47 AM
This answer has been confirmed as correct and helpful.
Simplify (3x + 5) + (2x - 9) - (4x + 3).
Question
Not Answered
Updated 1/29/2015 10:02:10 AM
1 Answer/Comment
(3x + 5) + (2x - 9) - (4x + 3)

= 3x + 5 + 2x - 9 - 4x - 3;

= x - 7
Added 1/29/2015 10:02:10 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [1/29/2015 10:03:21 AM]
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