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Mathematics 9 Online
OpenStudy (anonymous):

(a-6)(a-7)

OpenStudy (aripotta):

same thing with FOIL

OpenStudy (aripotta):

|dw:1349400874039:dw| that says what's what

OpenStudy (aripotta):

so you multiply a and a, then a and -7, then -6 and a, and lastly -6 and -7

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