Like what you saw?
Start your free trial and get immediate access to:
Watch 1-minute preview of this video


Get immediate access to:
Your video will begin after this quick intro to Brightstorm.

Multiplying Complex Numbers - Problem 4 275 views

The basis of multiplying complex numbers of the form a + bi is that i squared is defined as negative one. After you distribute or FOIL, you will have integers, terms that still have i, and other terms that are multiplied by i squared (negative one.) If you have a square root of a negative number, write it in terms of i first, and then do the multiplying. Lastly, as a convention, we write our real part first, and the imaginary part second.

Transcript Coming Soon!

Stuck on a Math Problem?

Ask Genie for a step-by-step solution