sqrt 8 = sqrt 4 x 2 = 2 sqrt 2
But you wouldn't use "sqrt" to replace the proper math sign
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simplify the square root of 300 divided by the square root of 6
You look for a perfect square and take it out of the radical (while taking the square root of it).
Well, there technically is not a way to simplify the square root of 2, but the simplified version of the square root of 72 is 6 square root 2
The square root of 4 = 2