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Mathematics 21 Online
OpenStudy (anonymous):

Factor: 25x2 - 64 A. (5x + 8)(5x - 8) B. (5x + 32)(5x - 32) C. (5x + 16)(5x - 4) D. prime

OpenStudy (anonymous):

sqrt of 25 and sqrt of 64??

OpenStudy (anonymous):

5 and 8

OpenStudy (anonymous):

yes, and one has to be - and ones has to be +

OpenStudy (anonymous):

so a ?

OpenStudy (anonymous):

Yes

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