Question and answer
Find the product mentally. (ab + 3)(ab - 3)
Question
Asked 12/19/2014 11:11:21 AM
Updated 12/19/2014 11:30:23 AM
2 Answers/Comments
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Flagged by alfred123 [12/19/2014 11:28:42 AM]
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User: Find the product mentally. (ab + 3)(ab - 3)

Weegy: 3-3 = 0
andrewpallarca|Points 47003|

User: Find the product. (r + s)2

Question
Asked 12/19/2014 11:11:21 AM
Updated 12/19/2014 11:30:23 AM
2 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by alfred123 [12/19/2014 11:28:42 AM]
New answers
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3
(ab + 3)(ab - 3)

= a^2b^2 - 3ab + 3ab - 9;

= a^2b^2 - 9;
Added 12/19/2014 11:29:31 AM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [12/19/2014 11:43:01 AM]
3
(r + s)^2

= (r + s) (r + s);

= r^2 + rs + rs + s^2;

= r^2 + 2rs + s^2
Added 12/19/2014 11:30:23 AM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [12/19/2014 11:43:41 AM]
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Find the product. 2y^2(3x + 5z)
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Question
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Updated 12/21/2014 6:51:43 AM
1 Answer/Comment
2y^2(3x + 5z)
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Added 12/21/2014 6:15:56 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [12/21/2014 6:51:44 AM], Rated good by andrewpallarca
Find the product mentally. (2m - 9)2
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Question
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Updated 12/19/2014 11:24:45 AM
2 Answers/Comments
(2m - 9)^2

= (2m - 9)(2m - 9);

= 4m^2 - 18m - 18m + 81;

= 4m^2 - 36m + 81
Added 12/19/2014 11:24:06 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [12/19/2014 11:25:48 AM]
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Added 12/19/2014 11:24:45 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [12/19/2014 11:26:26 AM]
Find the product. -2x a(-4x b - 2x 3 + 5x)
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Updated 12/20/2014 6:34:08 AM
2 Answers/Comments
-2x^a(-4x^b - 2x^3 + 5x)
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Added 12/20/2014 6:32:22 AM
- y(2y^3 - 8)
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= -2y^4 + 8y
Added 12/20/2014 6:34:08 AM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [12/20/2014 11:20:35 AM]
Simplify 7(n - p) + 5p. User: Simplify 8 + 3{x - 2[x + 5(x + 3)]}. User: Multiply (5m 2 - 2m + 3)(3m - 4).
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Question
Updated 12/20/2014 6:29:54 AM
4 Answers/Comments
(5m^2 - 2m + 3)(3m - 4)
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= 15m^3 - 6m^2 + 9m - 20m^2 + 8m - 12
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Added 12/20/2014 6:25:52 AM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [12/20/2014 11:22:35 AM]
(y + z)^3
= (y + z)(y + z)(y + z)
= (y^2 + 2yz + z^2)(y + z)
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Added 12/20/2014 6:27:47 AM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [12/20/2014 11:24:15 AM]
(x^2 + 4)(x^2 - 4)
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= x^4 - 16

Added 12/20/2014 6:29:04 AM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [12/20/2014 11:25:21 AM]
(a + 3)(a - 2)
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Added 12/20/2014 6:29:54 AM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [12/20/2014 11:26:18 AM]
(x2 + 3x + 1)(x2 + x + 2)
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Question
Updated 12/21/2014 5:06:17 AM
4 Answers/Comments
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Added 12/20/2014 7:41:16 AM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [12/20/2014 11:28:35 AM]
(x^2 + 4)(x^2 - 4)
= x^2*x^2 + 4x^2 - 4x^2 - 4*4
= x^4 - 16
Added 12/21/2014 5:05:32 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [12/21/2014 5:11:05 AM], Rated good by andrewpallarca
(a + 3)(a - 2)
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= a^2 + a - 6
Added 12/21/2014 5:05:59 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [12/21/2014 5:11:30 AM], Rated good by andrewpallarca
(y + z)^3
= (y + z)(y + z)(y + z)
= (y^2 + 2yz + z^2)(y + z)
= y^3 + 2y^2z + yz^2 + y^2z + 2yz^2 + z^3
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Added 12/21/2014 5:06:17 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [12/21/2014 5:11:51 AM], Rated good by andrewpallarca
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