Algebra 2 - Learning how to subtract two complex numbers, (6 - i) - (-7 - 2i)

The video tutorial explains how to work with complex numbers, focusing on their definition and the process of combining and subtracting them. It emphasizes the importance of treating real and imaginary parts separately, similar to handling variables in algebra. The tutorial provides a step-by-step guide on distributing negative signs and grouping like terms when subtracting complex numbers.

Explain the importance of keeping signs the same when combining complex numbers.

What is the result of combining the complex numbers 6 - 7i and -2i?