SOLUTION: How would I simplify ²√16x^4? What is the index in the front used for and what do I do with it? How would I simplify the x^4 and why in this manner?

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Question 778622: How would I simplify ²√16x^4?
What is the index in the front used for and what do I do with it?
How would I simplify the x^4 and why in this manner?

Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
simplify ²√16x^4?
Generally understood to be "The square root of:"
Factor inside the radical to reveal perfect squares

Extract the square root of those perfect squares you have
2*2*x*x which is: 4x^2

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