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Mathematics 18 Online
OpenStudy (anonymous):

(3+i)(4-3i)

OpenStudy (anonymous):

use foil

OpenStudy (anonymous):

how does that work?

OpenStudy (anonymous):

Foil mean :First Outer Inner Last Ex: (a+b)(a-b) ac+ad+bc+bd ^ ^ ^ ^ F O I L

OpenStudy (anonymous):

Got It ?

OpenStudy (anonymous):

|dw:1337817765443:dw|

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