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OpenStudy (anonymous):
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
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Parth (parthkohli):
B is the answer.
OpenStudy (anonymous):
b
OpenStudy (anonymous):
B. (2x+9y)(2x-9y) I got this correct on my test.
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