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OpenStudy (anonymous):
(7+3i)⋅(2−5i) to standard form
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OpenStudy (anonymous):
is that a subtraction or multiplication sign in the middle?
OpenStudy (anonymous):
you do as you would normally do in multipication,
OpenStudy (anonymous):
do you know how to foil this?
OpenStudy (anonymous):
just remember that i squared = -1
OpenStudy (anonymous):
what is it with people and FOIL?
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OpenStudy (anonymous):
that is multiplication, yes foil is very easy i got 29-29i, just want to make sure its right
OpenStudy (anonymous):
foil is a method my teacher taught me
OpenStudy (anonymous):
yeah its right
OpenStudy (anonymous):
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