What is the factored form of the expression?
4x2 – 81y2
A. (2x + 9)(2x – 9)
B. (2x + 9y)(2x – 9y)
C. (2x + 9y)2
D. (2x – 9y)2

Question

Asked 10/11/2012 7:06:07 AM

Updated 7/30/2014 10:57:41 AM

1 Answer/Comment

Flagged by jerry06 [7/30/2014 10:57:41 AM]

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Question

Asked 10/11/2012 7:06:07 AM

Updated 7/30/2014 10:57:41 AM

1 Answer/Comment

Flagged by jerry06 [7/30/2014 10:57:41 AM]

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8

4x^2 - 81y^2 = (2x + 9y)(2x - 9y)

Added 7/30/2014 10:57:40 AM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [7/30/2014 11:02:27 AM]

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