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Mathematics 19 Online
OpenStudy (anonymous):

Factor completely: 4x^2 - 81 (4x - 9)(x + 9) (2x + 9)(2x + 9) (2x + 9)(2x - 9) (2x - 9)(2x - 9) This is C right?

OpenStudy (anonymous):

right...

OpenStudy (anonymous):

Thanks

OpenStudy (solomonzelman):

yes, very good:)

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