Home > CAAC > Chapter 7 > Lesson 7.2.3 > Problem 7-77
7-77.
Distribute to remove the parenthesis.
15x2 − 12x − 15x2
Add like terms.
12x
Follow the steps outlined in part (a).
Start with a generic rectangle to simplify, then use the same method as part (a).
x2 − 3
Use the strategy shown in part (a) to solve this problem.