1. Check odds w/back of book
Check evens with someone in your group

2. 13.3 operations w/radicals
Radical expressions are considered “like radicals” if they have the same radicand.
Examples

3. 13.3 operations w/radicals
Adding & subtracting radicals:
Like radicals add & subtract same as like terms.
Examples
Two radical expressions that may appear to be unlike may simplify to like radicals & then you +/-
examples

4. 13.3 operations w/radicals
By combining the multiplication rules from 13.2 & the +/- rules, you can multiply radical expressions using the distributive property.
examples