Pre-Calculus - Applying distributive property with complex numbers 5i (3-2i)

The video tutorial introduces the concept of complex numbers and focuses on operations such as multiplication and division, comparing them to polynomial operations. The instructor explains how to treat the imaginary unit 'i' as a variable and demonstrates solving an example problem using the distributive property. The tutorial emphasizes writing complex numbers in the standard form of a + bi.

What is the result of multiplying 5i and -2i, and how is it represented?

How do you express a complex number in the form of a + bi, based on the example given?