Multiplying Complex Binomials

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Taught by mrbrianmclogan
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Meets NCTM Standards:
Lesson Summary:

In this lesson, we learn how to multiply complex binomials, which involves multiplying two binomials that contain imaginary numbers. The instructor demonstrates the process of using the foil method to multiply the terms, and then combining the like terms to get the final answer in standard form. It is important to remember that i squared equals negative 1 when working with imaginary numbers.

Lesson Description:

Multiplying two binomials with imaginary numbers

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Questions answered by this video:
  • Determine the product (-i)(-i)
  • Determine the following product in the form a + bi (2-i)(3+i)