### Home > INT3 > Chapter 9 > Lesson 9.1.3 > Problem 9-35

9-35.

If

*a*= 2 + 3*i*and*b*= 1 –*i*, complete each of the following operations: Homework Help ✎*a*+*b**a*–*b**ab*

Substitute the given expressions for *a* and *b* appropriately and combine like terms.

Follow the same method from part (a).

Don't forget to distribute the negative/minus sign.

Expand as you would any other polynomial.

5 + *i*