### Home > INT3 > Chapter 2 > Lesson 2.2.1 > Problem2-39

2-39.

Simplify each expression. Refer to the Math Notes box in this lesson for help.

1. $\sqrt { 24 }$

Remove any perfect square factors.

$\sqrt{4 \cdot 6}$

$2\sqrt{6}$

1. $\sqrt { 18 }$

See part (a).

1. $\sqrt{3}+\sqrt{3}$

Remember that radicals can be treated like variables.

$1 \sqrt{3} + 1 \sqrt{3}$

$2\sqrt{3}$

1. $\sqrt{27}+\sqrt{27}$

See parts (a) and (c).