document.write( "Question 1044700: sqrt(2sqrt21+22) - sqrt21 = 1 explain this clearly pls \n" ); document.write( "

Algebra.Com's Answer #660032 by robertb(5830) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"sqrt%282sqrt%2821%29%2B22%29+-+sqrt%2821%29\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"sqrt%281%2B2sqrt%2821%29%2B21%29+-+sqrt%2821%29\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"sqrt%28%281%2Bsqrt%2821%29%29%5E2%29+-+sqrt%2821%29\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"%281%2Bsqrt%2821%29%29+-+sqrt%2821%29\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"highlight%281%29\"$ . \n" ); document.write( "

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