Read up to the "Simplify Expressions with Integers" section. Pay special attention to how to multiply and divide signed numbers (multiplying and dividing positive and negative integers). Do examples 3.47 and 3.49, and check your answers. If you would like more practice, do Try It exercises 3.93, 3.94, 3.97, and 3.98.

Click https://cnx.org/contents/yqV9q0HH@19.9:LUUW7a32@24/3-4-Multiply-and-Divide-Integers link to open resource.