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Mathematics 22 Online
OpenStudy (anonymous):

Once again, confused. Examples would be great.. (: Multiply and simplify: http://roads.advancedacademics.com/contentserver/content/roadssection/277572/questions/9hw2/9hw2_q9.gif

OpenStudy (anonymous):

u kno a2-b2 = (a-b)(a+b)

OpenStudy (anonymous):

x-2/x-1

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