document.write( "Question 907927: for what values of x is the rational expression below undefined?
\n" ); document.write( "x+3 over x^2-9x+20
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Algebra.Com's Answer #550712 by stanbon(75887)\"\" \"About 
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for what values of x is the rational expression below undefined?
\n" ); document.write( " (x+3) / (x^2-9x+20)
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\n" ); document.write( "Factor::
\n" ); document.write( "= (x+3)/[(x-4)(x-5)]
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\n" ); document.write( "Undefined when the denominator is zero.
\n" ); document.write( "Ans:: x = 4 or x = 5
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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