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(2a-3)(2a + 3)=
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Question
Asked 5/19/2009 5:48:54 PM
Updated 7/17/2014 4:34:38 PM
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Flagged by alfred123 [7/17/2014 4:34:33 PM]
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User: (2a-3)(2a + 3)=



Weegy: Sorry,
Expert answered|JonPurvis|Points 24|

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Question
Asked 5/19/2009 5:48:54 PM
Updated 7/17/2014 4:34:38 PM
2 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by alfred123 [7/17/2014 4:34:33 PM]
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(2a - 3) (2a + 3)

= 4a^2 + 6a - 6a - 9;

= 4a^2 - 9
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Added 7/17/2014 4:34:38 PM
This answer has been confirmed as correct and helpful.
Comments
This is of the form (a+b)(a-b)=a2-b2.
so
(2a)2-3^2
=4a2-9
Added 5/19/2009 9:47:52 PM
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