SOLUTION: I am having a problem with radicals and not really sure how to solve this problem since the square root of 20 doesn't come out to be a whole number. Heres the problem... what is

Question 6392: I am having a problem with radicals and not really sure how to solve this problem since the square root of 20 doesn't come out to be a whole number. Heres the problem...
what is the square root of 20x^5
Thank You for any help.
Joe
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!

Find all perfect squares that divide into the radicand . That would be and when it comes to variables raised to a power, the power must be divisible by 2. Try . Write the square root as a product of two square roots with all the perfect squares in the first radical and left over factors in the second radical:

You can easily take the square root of the first radical, and leave the second part in the radical:

R%^2 at SCC
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