SOLUTION: Pre-Calculus: What is the square root of 72x cubed?

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Question 516855: Pre-Calculus:
What is the square root of 72x cubed?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
What is the square root of 72x cubed?
:
sqrt%2872x%5E3%29
:
Factor to reveal two perfect squares
sqrt%2836%2A2%2Ax%5E2%2Ax%29
Extract the square root of those perfect square
6x%2Asqrt%282x%29