Tutorial - Combining complex numbers ex 4, (-1 + i) - (7 - 5i)

The video tutorial explains how to apply the vertical method for subtracting complex numbers. It emphasizes the importance of verbalizing steps to avoid mistakes, particularly with double negatives. The tutorial provides examples and tips to help students understand and correctly apply the method.

What is the vertical method for subtraction of complex numbers?

Explain the importance of saying calculations out loud when applying the vertical method.

How do you handle double negatives when subtracting complex numbers?

What is the result of subtracting 1 - 7 from a negative 5I?

Describe another method to subtract complex numbers mentioned in the text.