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Find the sum of (7y5 + 8y2 + 3) + (7y5 + y3) + (-4y2 - y - 3).
7y^5 + 8y^2 + 3 + 7y^5 + y^3 - 4y^2 - y - 3 = 14y^5 + y^3 + 4y^2 - y
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Asked 10/7/2013 4:03:35 PM
Updated 7/28/2014 8:26:39 PM
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7y^5 + 8y^2 + 3 + 7y^5 + y^3 - 4y^2 - y - 3 = 14y^5 + y^3 + 4y^2 - y
Added 7/28/2014 8:26:39 PM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [7/29/2014 4:53:53 AM]
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Questions asked by the same visitor
Find the sum of 2x4 - 4x3 - 15x2 + 21x + 4 and 4x4 + 2x3 + 17.
Question
Not Answered
Updated 7/28/2014 8:29:55 PM
1 Answer/Comment
2x^4 - 4x^3 - 15x^2 + 21x + 4 + 4x^4 + 2x^3 + 17 = 6x^4 - 2x^3 - 15x^2 + 21x + 21
Added 7/28/2014 8:29:55 PM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [7/29/2014 3:07:53 AM]
From x2 - 6x + 5 subtract 3x2 - 2x - 2. User: Add (-4x7 - 6x5 - 7x3 - 9x - 2) and (-x7 + 6x6 + 2x2 + 8).
Question
Not Answered
Updated 7/8/2014 11:54:59 AM
2 Answers/Comments
(x2 - 6x + 5) - (3x2 - 2x - 2)
= (-2x^2) + (-4x) + 7
= -2x^2 - 4x + 7
Added 7/8/2014 11:51:53 AM
This answer has been confirmed as correct and helpful.
(-4x^7 - 6x^5 - 7x^3 - 9x - 2) + (-x^7 + 6x^6 + 2x^2 + 8).
= -5x^7 + 6x^6 - 6x^5 - 7x^3 + 2x^2 - 9x + 6
Added 7/8/2014 11:54:58 AM
This answer has been confirmed as correct and helpful.
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