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Mathematics 8 Online
OpenStudy (anonymous):

(7+3i)⋅(2−5i) to standard form

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?

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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