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Mathematics 9 Online
OpenStudy (anonymous):

(1-i)(4-2i) foil

OpenStudy (anonymous):

(1-i)(4-2i) 4-2i -4i +2i^2 4 - 6i -2 <-- 2i^2 is 2 * -1 2 - 6i

OpenStudy (anonymous):

ohhhhhhh ok

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