document.write( "Question 327318: Here we go again.. List all numbers for which the rational expression is undefined.\r
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\n" ); document.write( "\n" ); document.write( "x^2-4
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\n" ); document.write( "x^2-8x+15\r
\n" ); document.write( "\n" ); document.write( "Thank you in advance :0 ;)
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Algebra.Com's Answer #234451 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Undefined when the denominator equals zero.
\n" ); document.write( "\"x%5E2-8x%2B15=%28x-3%29%28x-5%29\"
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\n" ); document.write( "\"x-3=0\"
\n" ); document.write( "\"x=3\"
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\n" ); document.write( "\"x-5=0\"
\n" ); document.write( "\"x=5\"
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