SOLUTION: (5i)(−3i) I just do not understand.

Question 1017026: (5i)(−3i)
I just do not understand.
Found 2 solutions by macston, ikleyn:
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
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You have to accept this. It is a definition, a given.
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Answer by ikleyn(52787) (Show Source): You can put this solution on YOUR website!
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See an introductory lesson on complex numbers and operations on them
Complex numbers and arithmetic operations on them in this site.

At the end of that lesson there is a list of other my lessons on complex numbers in this site.

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SOLUTION: (5i)(&#8722;3i) I just do not understand.

SOLUTION: (5i)(−3i) I just do not understand.