## qwertyfreak 3 years ago 30.) Simplify: √18a^2 2a√3 √9a 3a√2 3a√2a 31.) Simplify: 4√5 - 6√3 + 8√5 -2√5 + 8√3 12√5 - 6√3 6√15 6√7 32.) Find the sum of 3√5 and 2√20 7√5 30√2 3√5 + 10√2 60 33.) Find the difference of 9√7 and √28 7√7 11√7 3√5 + 10√2 34.) Simplify: 4√2 + √32 - √16 4√2 + √32 - 4 8√2 - 4 9√2 - 4 4√2 - 16

1. cshalvey

Hi @qwertyfreak - please only post one question at a time. Additionally, please at least write out your question, and try and *learn* how to complete them as opposed to simply asking for answers, thank you!

2. phi

Simplify: $$\sqrt{18a^2}$$ First, do you know what is the $$\sqrt{a^2}$$ ?

3. qwertyfreak

no! im in a hurry can i just have the answers pls?

4. qwertyfreak

I have 2 leave in 5 mins for work!

5. cshalvey

@qwertyfreak - Please review OpenStudy's Code of Conduct (openstudy.com/code-of-conduct). OpenStudy is NOT here to provide you with just the answers, sorry. Oh, and @phi - great work there, really like how you (started) to help on this problem ;)