Addition and Subtraction

Addition

In Algebra, complex numbers operate similarly to variable expressions. Adding complex numbers operate similarly to adding polynomials. When adding complex numbers, combine like terms.

Example Simplify the following expression

complex_ex1

Step 1. Clear the parentheses.

complex_ex1-2

Step 2. Combine like terms.

complex_ex1-3

Step 3. Add like terms.

complex_ex1-4