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28-10-2016
Mathematics

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Factor completely 64x2 - 1.
A. (8x - 1)(8x - 1)
B. (8x - 1)(8x + 1)
C. (1 - 8x)(1 - 8x)
D. (1 - 8x)(1 + 8x)

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jhonyy9 jhonyy9

29-10-2016

64x^2 -1 = (8x -1)(8x+1) using formula a^2 -b^2 = (a-b)(a+b)

hope helped

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