document.write( "Question 171819This question is from textbook intro algebra
\n" ); document.write( ": The problem asks us to simplify this problem but I'm not sure what happens to the 2.\r
\n" ); document.write( "\n" ); document.write( "sqrt 2-4/z^2+2/z^4\r
\n" ); document.write( "\n" ); document.write( "Any advice would be greatly appreciated. \n" ); document.write( "
Algebra.Com's Answer #126928 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "\"sqrt%282-4%2Fz%5E2%2B2%2Fz%5E4%29\"\r\n" );
document.write( "\r\n" );
document.write( "Get LCD of \"z%5E4\"\r\n" );
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document.write( "\"sqrt%282z%5E4%2Fz%5E4-4z%5E2%2Fz%5E4%2B2%2Fz%5E4%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"sqrt%28%282z%5E4-4z%5E2%2B2%29%2Fz%5E4%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"sqrt%282%28z%5E4-2z%5E2%2B1%29%2Fz%5E4%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"sqrt%282%28z%5E2-1%29%28z%5E2-2%29%2Fz%5E4%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"sqrt%282%28z%5E2-1%29%5E2%2Fz%5E4%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"sqrt%282%29sqrt%28%28z%5E2-1%29%5E2%29%2Fsqrt%28z%5E4%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"%28sqrt%282%29abs%28z%5E2-1%29%29%2Fz%5E2%29\"\r\n" );
document.write( "\r\n" );
document.write( "Edwin
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