Question

simplify radical 45??

Answer 1

Seriously? Don't you get it yet?

Answer 2

Are any perfect squares factors of 45?

Answer 3

Find out what fits into the radical evenly that can be rooted.

Answer 4

*perfect squares*

Answer 5

Okay. Do you know what a perfect square is?

Answer 6

9 @NoelGreco

Answer 7

http://www.mathwarehouse.com/arithmetic/numbers/list-of-perfect-squares.php
Here is a list of them

Answer 8

Yes @broderick365
Now you take the original and divide it by that

Answer 9

\[\sqrt{9}\sqrt{5}\] Can you see why that is? And how you can further simplify it?

Answer 10

3 radical 5

Answer 11

exactly. Make sense?

Answer 12

Bingo!

Answer 13

@broderick365 I am just trying to teach you, so you won't have to rely on others for your test:) Do you get how to do it now?

Answer 14

I guess not :( *sigh*