SOLUTION: How do I find the following square root of 64x^2?

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Question 609817: How do I find the following square root of 64x^2?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

sqrt%2864%2Ax%5E2%29 Start with the given expression.


sqrt%2864%29%2Asqrt%28x%5E2%29 Break up the square root using the identity sqrt%28A%2AB%29=sqrt%28A%29%2Asqrt%28B%29.


8%2Asqrt%28x%5E2%29 Take the square root of 64 to get 8.


8%2Ax Take the square root of x%5E2 to get x.


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Answer:


So sqrt%2864%2Ax%5E2%29 simplifies to 8x


In other words, sqrt%2864%2Ax%5E2%29=8x for all x such that x%3E=0

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