Multiplying Complex Numbers

Sick of ads?​ Sign up for MathVids Premium
Taught by mrbrianmclogan
  • Currently 4.0/5 Stars.
966 views | 1 rating
Part of video series
Meets NCTM Standards:
Lesson Summary:

In this lesson, you will learn how to multiply complex numbers in standard form. By using the FOIL method, or any other method that works for you, you can easily multiply two binomials. Remembering the properties of i is important to simplify the results and combine the like terms. With these simple steps, you can multiply complex numbers like a pro!

Lesson Description:

How to multiply complex numbers

I show how to solve math problems online during live instruction in class. This is my way of providing free tutoring for the students in my class and for students anywhere in the world. Every video is a short clip that shows exactly how to solve math problems step by step. The problems are done in real time and in front of a regular classroom. These videos are intended to help you learn how to solve math problems, review how to solve a math problems, study for a test, or finish your homework. I post all of my videos on YouTube, but if you are looking for other ways to interact with me and my videos you can follow me on the following pages through My Blog, Twitter, or Facebook.

Questions answered by this video:
  • How do I multiply two complex numbers?
  • How do I simplify an answer containing complex numbers?
  • Staff Review

    • Currently 4.0/5 Stars.
    This video shows how to multiply two complex numbers which are written in a+bi form. The instructor uses the FOIL method to multiply the binomials and then simplifies the answer.