Algebra 2 - Math tutorial for subtracting complex numbers, (-2 - 3i) - (-3 - 7i)

The video tutorial explains how to simplify subtraction by converting it into an addition problem. The instructor demonstrates this method using examples, emphasizing that it reduces errors. The tutorial also covers combining real and imaginary numbers, providing a comprehensive understanding of the topic.

Explain the process the teacher describes for combining real and imaginary numbers.

What is the final result of combining -2 and +3 as described by the teacher?