√192 = √(64 x 3)
http://wiki.answers.com/Q/What_is_the_root_of_192_...

Since 128 contains the perfect square factor of 64. √(128) = √(64 * 2) = 8√2. I hope this helps! Source(s) Knowledge.
http://answers.yahoo.com/question/index?qid=201106...

If the perimeter of a square is 56.
http://www.chacha.com/question/iftheperimeterof...

1. Factor out any perfect squares or cubes in the radical. If you are working with sqrt(30) there are none, but if you are working with the cube root of 54, you can rewrite it in
http://www.ehow.com/how_8467034_putradicalexpres...
