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OpenStudy (anonymous):
What is the factored form of the expression? 4x^2 – 81y^2 A. (2x + 9)(2x – 9) B. (2x + 9y)(2x – 9y) C. (2x + 9y)^2 D. (2x – 9y)^2 A, B, C, or D? Please explain (:
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OpenStudy (anonymous):
\[4 x^2 - 81 y^2 \]\[a^2-b^2=(a+b)(a-b) \]
OpenStudy (anonymous):
Thank you (:
OpenStudy (anonymous):
Thank you for the medal.
OpenStudy (anonymous):
No problem (:
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