Question and answer
Select the product of (9x + 2)(9x - 2)
Question|Asked by jashford23
Asked 2/20/2014 4:40:42 PM
Updated 6/26/2014 9:19:00 AM
7 Answers/Comments
s
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Original conversation
User: Select the product of (9x + 2)(9x - 2)





Weegy: (9x + 2)(9x - 2) = 81x^2 - 4
Expert answered|andrewpallarca|Points 31669|

User: Select the product of (6x + 9)(x2 - 4x + 5)

Weegy: (6x + 9)(x2 - 4x + 5) = 6x^3 - 15x^2 - 6x + 45
Expert answered|andrewpallarca|Points 31669|

User: Select the product of (-8x8y)(x9y8)

Weegy: (-8x8y)(x9y8) = -8x^17y^9
Expert answered|andrewpallarca|Points 31670|

User: Select the product of (5x - 4)2

Question|Asked by jashford23
Asked 2/20/2014 4:40:42 PM
Updated 6/26/2014 9:19:00 AM
7 Answers/Comments
New answers
Rating
3
(5x - 4)2;
= 5x*2 - 4*2;
= 10x -8;
Added 2/21/2014 1:39:40 PM
This answer has been flagged as incorrect.
Confirmed by alfred123 [2/22/2014 10:22:03 AM], Rated good by alfred123, Flagged by yeswey [6/26/2014 7:28:48 AM]
3
(5x - 4)^2 = 25x^2 - 40x + 16
Added 6/26/2014 7:28:30 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [6/26/2014 7:31:50 AM]
Comments
I could not see the ^ sign and so how is it confirmed that it was not * and was ^?
Added 6/26/2014 7:40:33 AM
erikalui, for this type of question, it is common that a number that comes after a close parenthesis is understood as ^ (raised to...)

Otherwise, if it is meant to be multiplied, the user will ask
(5x - 4) * 2 or (5x - 4) x 2

I have been seeing similar questions on random archives, and it is always intended as ^
Added 6/26/2014 9:06:53 AM
This problem is with most of the math questions as many times the questions do not have an addition sign or multiplication sign.

May be it's better not to attempt such questions.
Added 6/26/2014 9:12:52 AM
That's true, there are some questions that are missing operational signs, we should not assume those questions, but this one is a different case, it is a complete question.
Added 6/26/2014 9:19:00 AM
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Questions asked by jashford23
Select the difference of (2x^2 - 5x^3) - (8x^2 - 8x^3). User: 6(2x + 7)
Question|Asked by jashford23
Not Answered
Updated 2/20/2014 9:24:02 PM
4 Answers/Comments
(2x^2 - 5x^3) - (8x^2 - 8x^3) = -6x^2 + 3x^3
Added 2/20/2014 8:37:08 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [2/20/2014 10:17:53 PM]
6(2x + 7) = 12x + 42
Added 2/20/2014 8:37:43 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [2/20/2014 10:17:54 PM]
I would like to ask why this flagged conversation reflected on my account, well in fact I haven't answered nor received such question? Please help. Thank you.
Added 2/20/2014 9:20:08 PM
emdjay23, you should contact Weegy admin regarding this conversation.
Added 2/20/2014 9:24:02 PM
Select the product of (9x - 4)(7x + 6)
Weegy: (9x - 4)(7x + 6) = 63x^2 + 26x - 24 (More)
Question|Asked by jashford23
Expert Answered
Asked 2/20/2014 4:04:04 PM
0 Answers/Comments
Simplify the following expression. (x + 8)^3
Weegy: (x + 8)^3 = x^3 + 24x^2 + 192x + 512 (More)
Question|Asked by jashford23
Expert Answered
Updated 4/1/2014 1:03:23 PM
0 Answers/Comments
Select the product of (9x + 2)(9x - 2)
Question|Asked by jashford23
Not Answered
Updated 2/20/2014 8:35:39 PM
1 Answer/Comment
(9x + 2)(9x - 2) = 81x^2 - 4

Added 2/20/2014 8:35:24 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [2/20/2014 10:18:34 PM]
Select the product of (3x+7)*(7x-3)
Question|Asked by jashford23
Updated 2/20/2014 8:32:47 PM
1 Answer/Comment
(3x+7)*(7x-3)
= 21x^2 - 9x + 49x - 21
= 21x^2 + 40x - 21
Added 2/20/2014 8:32:47 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [2/20/2014 10:18:44 PM]
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