document.write( "Question 1030250: I need help simplifying this expression:
\n" ); document.write( "\"sqrt%2824%2B8sqrt%285%29%29\"
\n" ); document.write( "I removed the common factor out of the square root to obtain \"2sqrt%286%2B2sqrt%285%29%29\", but the answer key says it is \"2%2B2sqrt%285%29\".
\n" ); document.write( "How is it possible? Am I missing out on a rule here?
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Algebra.Com's Answer #645134 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
\"sqrt%2824%2B8sqrt%285%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"sqrt%284%2B8sqrt%285%29%2B20%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%284%2B8sqrt%285%29%2B%282sqrt%285%29%29%5E2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%28a%2Bb%29%5E2+=+a%5E2%2B2ab%2Bb%5E2\" using this identity\r
\n" ); document.write( "\n" ); document.write( "we get\r
\n" ); document.write( "\n" ); document.write( "\"sqrt%28%282%2B2sqrt%285%29%29%5E2%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"2%2B2sqrt%285%29\"
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