Posted by **Miley** on Saturday, September 14, 2013 at 10:52pm.

Instead of doing all that work to simplify the mixed radical , can I just change the mixed radical into an entire radical?

Ex: 2* square root 18 into square root of 72

- Math 1 quick question -
**Anonymous**, Saturday, September 14, 2013 at 10:56pm
Yes, but if the instructions say to simplify then you can't do that.

- Math 1 quick question -
**Miley**, Saturday, September 14, 2013 at 11:02pm
Oh man.... I don't understand how to simplify though... Can u please help me with These questions :

2 * square root 18

5* square root 48

3* square root 54

- Math 1 quick question -
**Steve**, Sunday, September 15, 2013 at 6:18am
Look for perfect squares that divide the radicand.

√18 = √9*√2 = 3√2

So, 2√18 = 2*3√2 = 6√2

5√48 = 5√(16*3) = 5√16*√3 = 5*4√3 = 20√3

3√54 = 3√(9*6) = 3√9*√6 = 3*3√6 = 9√6

- Math 1 quick question -
**Miley**, Sunday, September 15, 2013 at 11:27am
Alright now I understand ! Thank u sooooo much:)

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