Factor completely, if possible.81x2 - 4
A. (9x + 2)(9x - 2)
B. (9x + 2)2
C. (9x - 2)2
D. (81x + 1)(x - 4)
Answer: A
Mathematics
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%
A. 
B. 
C. 
D. 
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What will be an ideal response?
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