document.write( "Question 131846: What is the answer to this question:
\n" ); document.write( "square root 20 - square root 5 + 4 square root 8
\n" ); document.write( "I tried this:
\n" ); document.write( "2 square root 5 - square root 5 + 8 square root 2
\n" ); document.write( "square root 5 + 8 square root 2
\n" ); document.write( "9 square root 10
\n" ); document.write( "18 square root 5
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Algebra.Com's Answer #96274 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
sqrt(20)-sqrt(5)+8sqrt(2)
\n" ); document.write( "=sqrt(5*4)-sqrt(5)+8sqrt(2)
\n" ); document.write( "=2sqrt(5)-sqrt(5)+8sqrt(2)
\n" ); document.write( "=sqrt(5)+8sqrt(2)
\n" ); document.write( ".
\n" ); document.write( "Ed
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