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Mathematics 19 Online
OpenStudy (anonymous):

multiply 5i(-3+8i) the letter "i" are italacized...and it says to type your answer in the form a+bi

OpenStudy (anonymous):

i here means iota i = sqrt(-1) i^2 = (-1) now u cn solve?

OpenStudy (anonymous):

-15i +40i^2 = -15i - 40

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