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Mathematics 12 Online
OpenStudy (anonymous):

sovle (3a - 2b)^2 ..using FOIL method

OpenStudy (anonymous):

(3a-2b)(3a-2b) FOIL (First Outside Inside Last) 3a(3a) + 3a(-2b) -2b(3a) -2b(-2b)

OpenStudy (anonymous):

9a² -6ab -6ab +4b² = 9a²-12ab+4b²

OpenStudy (cwrw238):

personally i dont like FOIL its just as easy to use distributive law - you just multiply 3a - b by 3b then by -2b and simplify

hero (hero):

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