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Mathematics 17 Online
OpenStudy (anonymous):

9a^2-49b^2

OpenStudy (saifoo.khan):

(3a-7b)(3a+7b)

OpenStudy (anonymous):

i put together this

OpenStudy (anonymous):

oh yea i put the same thing except i squared the 3x's for some reason lol

OpenStudy (saifoo.khan):

Lol.

OpenStudy (anonymous):

lolol

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