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Mathematics 17 Online
OpenStudy (anonymous):

Multiply: (8a + 5b) (8a - 5b)

sam (.sam.):

You know FOIL?

OpenStudy (anonymous):

kinda not really

OpenStudy (anonymous):

(a+b)(a-b)=a^2-b^2

sam (.sam.):

|dw:1331573290969:dw|

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