### Home > INT3 > Chapter 12 > Lesson 12.1.4 > Problem12-61

12-61.
1. Add or subtract and simplify each of the following expressions. Homework Help ✎

Simplify the expression above by creating a common denominator.

$\text{Multiply the second fraction by }\frac{(x-4)}{(x-4)} \text{ to make the denominators the same.}$

Factor the denominator in the first term. What do you need to multiply the second fraction by to get a common denominator?