avz2000 avz2000

09-12-2015
Mathematics

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factor the expression 9x^2-4

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03-01-2016

[tex]9x^2 - 4 \\ \\ (3x)^2 - 2^2 \\ \\ (3x+2)(3x-2) \\ \\ Answer: \fbox {(3x+2)(3x-2)} [/tex]

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