1. Adding and Subtracting Radicals

2. 1. Simplify. 2. Simplify. Which are like radicals?
Just like when adding variables, you can only combine LIKE radicals.
Think : 3x + 4x - 2x = 5x
2. Simplify.
Which are like radicals?

3. Simplify .

4. Perimeter = Add all of the sides
3. Find the perimeter of a rectangle whose length is and whose width is
Perimeter = Add all of the sides

5. Then combine like radicals.
4. Simplify.
Simplify each radical.
Then combine like radicals.

6. 5. Simplify

7. Simplify .

8. Simplify .