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81a2 + 36a + 4
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Asked 1/12/2015 10:42:13 AM
Updated 1/12/2015 11:45:51 AM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [1/12/2015 11:46:10 AM]
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User: 81a2 + 36a + 4

Weegy: 81a^2 + 36a + 4 = (9a + 2)^2


User: Factor completely. -5x 2 y + 10xy - 15xy 2

Weegy: -5x^2 y + 10xy - 15xy^2 = -5xy (x - 2 + 3y)


User: Factor completely. n 2 + 7n - 44

Question
Asked 1/12/2015 10:42:13 AM
Updated 1/12/2015 11:45:51 AM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [1/12/2015 11:46:10 AM]
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n^2 + 7n - 44 = (n - 4)(n + 11)
Added 1/12/2015 11:45:51 AM
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Identify the polynomial. a 2 b - cd 3
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Question
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Updated 1/26/2015 10:23:34 PM
2 Answers/Comments
(y^4 - 1) ÷ (y + 1)
= (y^2 + 1)(y + 1)(y - 1)/(y + 1)
= (y^2 + 1)(y - 1)
= y^3 - y^2 + y - 1
Added 1/26/2015 10:23:13 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [1/27/2015 3:42:26 AM]
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Question
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Updated 1/16/2015 2:19:05 AM
2 Answers/Comments
The middle product of (-2x + 1)(-3x - 5) is 7x .
(-2x + 1)(-3x - 5)
= -2x*(-3x) - 3x + (-2x)*(-5) - 5
= 6x^2 - 3x + 10x - 5
= 6x^2 + 7x - 5

Added 1/16/2015 2:19:05 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [1/16/2015 3:35:23 AM]
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Updated 1/18/2015 10:01:42 PM
1 Answer/Comment
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Added 1/18/2015 10:01:42 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [1/18/2015 10:04:56 PM]
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Question
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Updated 1/15/2015 4:56:48 AM
2 Answers/Comments
(a - b + c) + (b - c + d) + (c - d + e)
= a - b + c + b - c + d + c - d + e
= a + c - c + c + d - d + e
= a + c + e
Added 1/15/2015 4:55:15 AM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [1/16/2015 1:19:17 PM]
5d^2 + 4d - 3 - (2d^2 - 3d + 4)
= 5d^2 + 4d - 3 - 2d^2 + 3d - 4
= 3d^2 + 7d - 7
Added 1/15/2015 4:56:47 AM
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Question
Updated 1/14/2015 7:33:10 PM
2 Answers/Comments
m - {n + [p - (m + n - p)]}
= m - {n + (p - m - n + p)}
= m - {n + 2p - m - n }
= m - (2p - m)
= m + m - 2p
= 2m - 2p
Added 1/14/2015 7:31:58 PM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [1/15/2015 5:50:53 AM]
(n + 8)(n - 2)
= n*n + 8*n - 2*n - 8*2
= n^2 + 8n - 2n - 16
= n^2 + 6n - 16
Added 1/14/2015 7:32:36 PM
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