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OpenStudy (anonymous):
sovle (3a - 2b)^2 ..using FOIL method
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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):
|dw:1334269133168:dw|
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