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

2 answers

To change an entire radical to a mixed radical, look for a factor of the number which is a PERFECT SQUARE.
e.g.

2√18
= 2*√9√2
= 2*3*√2
= 6√2

If there is no perfect square as a factor, then the radical cannot be changed to a mixed
Make yourself a short list of perfect squares
4,9,16,25,36,49,64,81,100, ......

5√48
= 5√16√3
= 5*4√3
= 20√3

you do the last one the same way.

btw, you can always check your result by using your calculator .
Ok thank u!!!!
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