document.write( "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...\r
\n" ); document.write( "\n" ); document.write( "what is the square root of 20x^5\r
\n" ); document.write( "\n" ); document.write( "Thank You for any help.
\n" ); document.write( "Joe
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Algebra.Com's Answer #3433 by rapaljer(4671)\"\" \"About 
You can put this solution on YOUR website!
\"sqrt%2820x%5E5%29\"\r
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\n" ); document.write( "\n" ); document.write( "Find all perfect squares that divide into the radicand \"20x%5E5\". That would be \"4\" and when it comes to variables raised to a power, the power must be divisible by 2. Try \"x%5E4\". 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:
\n" ); document.write( "\"sqrt%2820x%5E5%29+\"
\n" ); document.write( "\"sqrt%284x%5E4%29%2Asqrt%285x%29\"\r
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\n" ); document.write( "\n" ); document.write( "You can easily take the square root of the first radical, and leave the second part in the radical:
\n" ); document.write( "\"2x%5E2+%2A+sqrt%285x%29\"\r
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\n" ); document.write( "\n" ); document.write( "R%^2 at SCC
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