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Mathematics 13 Online
OpenStudy (anonymous):

9x^2 – 16 Factor, show work

OpenStudy (anonymous):

This is the difference of two square. You can write 9x^2 as something squared (3x)^2 and you can write 16 as something squared (4)^2. So you take those answers (3x) and 4) and you add them and you subtract them. (3x + 4)(3x - 4)

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