### Home > CCAA > Chapter 3 Unit 2 > Lesson CC2: 3.3.3 > Problem 3-121

3-121.

Simplify each of the following expressions.

Refer to problems 3-20, 3-47, and 3-61 if you need a reminder on how to simplify expressions. Remember to pay attention to parentheses.

The method for solving this problem is the same as what you have been practicing. Before you start, how is this problem different from part (a)? This difference will greatly change the value of the expression, so be careful while simplifying.

James thinks that this problem is the same as part (b), since the order of operations says that multiplication comes before addition. What do you think?