document.write( "Question 322515: Find all numbers for which rational expression is undefined,
\n" ); document.write( "t^3-3t/t^2-49
\n" ); document.write( "My original answer was t(t^2-3)/(t-7)(t+7)\r
\n" ); document.write( "\n" ); document.write( "Mr Thompson gave me a hint on how to do this properly because that was not the correct answer.
\n" ); document.write( "My new answer -7,7
\n" ); document.write( "Is this correct?
\n" ); document.write( "

Algebra.Com's Answer #230883 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
You are correct. The values -7 and 7 make the rational expression undefined because, when plugged in, they cause a division by zero error. \n" ); document.write( "
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