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Mathematics 15 Online
OpenStudy (anonymous):

Can someone please help me with complex numbers like "I"

OpenStudy (anonymous):

I just need help on one

OpenStudy (ibrafacts):

multiply them like that

OpenStudy (ibrafacts):

i dont know what the name is called but thats how u do tose

OpenStudy (anonymous):

lets start from number 1

OpenStudy (anonymous):

Yes please okay

OpenStudy (anonymous):

sorry hold on brb

OpenStudy (anonymous):

So 2-2i-7-4i? I thought you had to foil

OpenStudy (anonymous):

wait are you trying to expand the bracket

OpenStudy (anonymous):

No I'm trying to simplify its so I thought it was foil but I'm not sure how to foil it right I keep getting different answers

OpenStudy (anonymous):

|dw:1452561563527:dw|

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