Question and answer
3ab2+ 2a2b - 10ab2+ 2a2b
Question
Asked 9/11/2012 9:53:12 PM
Updated 6/9/2014 1:04:39 PM
2 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by andrewpallarca [6/9/2014 1:02:37 PM], Confirmed by andrewpallarca [6/9/2014 1:02:39 PM]
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Original conversation
User: 3ab2+ 2a2b - 10ab2+ 2a2b

Weegy: 3ab2+ 2a2b - 10ab2+ 2a2b = 4a2b-7ab2
migzptz|Points 6639|

User: Evaluate the polynomial. -2x2 - y2 + xy, when x = -3 and y = 5

Question
Asked 9/11/2012 9:53:12 PM
Updated 6/9/2014 1:04:39 PM
2 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by andrewpallarca [6/9/2014 1:02:37 PM], Confirmed by andrewpallarca [6/9/2014 1:02:39 PM]
New answers
Rating
7
2x^2 - y^2 + xy, when x = -3 and y = 5;

2(-3)^2 - (5)^2 + (-3)(5)

= 2(9) - 25 - 15

= 18 - 25 - 15

= -22
Added 6/9/2014 1:04:39 PM
This answer has been confirmed as correct and helpful.
Rated bad by mitch3185, Rated good by mitch3185, Rated bad by mitch3185
5
the answer is -58

here is the solution:

-2x2 - y2 + xy, when x = -3 and y = 5

-2x2 - y2 + xy = -2(9) - 25 + (-3)(5)
-2x2 - y2 + xy = -18 - 25 - 15
-2x2 - y2 + xy = -58
Added 9/11/2012 10:35:29 PM
This answer has been flagged as incorrect.
Flagged by andrewpallarca [6/9/2014 1:04:41 PM]
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Questions asked by the same visitor
Multiply. (x - 12)(2x + 5)
Weegy: x = -14/11 User: Multiply. (7y2 - 9)(7y2 + 9) (More)
Question
Updated 6/12/2014 3:12:27 PM
2 Answers/Comments
(x - 12)(2x + 5) = 2x^2 + 5x - 24x - 60 = 2x^2 - 19x - 60
Added 6/12/2014 3:12:17 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [6/12/2014 11:41:38 PM]
(7y^2 - 9)(7y^2 + 9) = 49y^4 + 63y^2 - 63y^2 - 81 = 49y^4 - 81
Added 6/12/2014 3:12:24 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [6/12/2014 11:42:03 PM]
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