### Home > CCA2 > Chapter 9 > Lesson 9.2.1 > Problem 9-57

9-57.

If and

*, compute each of the following operations: Homework Help ✎*

Combine like terms.

Did you remember to distribute the negative?

A generic rectangle can be used to multiply.

Remember that.

Multiply both the numerator and denominator by the complex conjugate of the denominator.