document.write( "Question 661139: Hi, the question that I have is about addition of radical expressions. The problem is \r
\n" ); document.write( "\n" ); document.write( "9√5 + 3√20 thanks
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Algebra.Com's Answer #411525 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "\"9sqrt%285%29%2B3sqrt%2820%29\"\r
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\n" ); document.write( "\n" ); document.write( "=\"9sqrt%285%29%2B3sqrt%284%2A5%29\"\r
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\n" ); document.write( "\n" ); document.write( "=\"9sqrt%285%29%2B3%2A2sqrt%285%29\"\r
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\n" ); document.write( "\n" ); document.write( "=\"9sqrt%285%29%2B6sqrt%285%29\"\r
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\n" ); document.write( "\n" ); document.write( "=\"15sqrt%285%29\"
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