\r\n" );
document.write( "It's a little longer this way, but maybe you can understand it better\r\n" );
document.write( "this way:\r\n" );
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document.write( "
\r\n" );
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document.write( "Write what's under the square root as a product of the simplest factors\r\n" );
document.write( "possible:\r\n" );
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document.write( "
\r\n" );
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document.write( "Now group as many pairs of like factors as possible:\r\n" );
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document.write( "
\r\n" );
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document.write( "Now realize that when a pair of like factors are multiplied,\r\n" );
document.write( "that is that factor squared. So write every pair as a square\r\n" );
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document.write( "
\r\n" );
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document.write( "Now we take the square root of every one of those squares,\r\n" );
document.write( "and since the square root undoes the square we have all\r\n" );
document.write( "those outside the square root, and only the x and the y\r\n" );
document.write( "that didn't pair up have to be left inside the square root:\r\n" );
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document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "or\r\n" );
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document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" );
document.write( "![\"\"](\"/images/stars/stars-10.gif\")
