document.write( "Question 212367: Why is it that there may be numbers that will not work? How do you know from your rational expression what numbers are not in the solution? \n" ); document.write( "
Algebra.Com's Answer #160616 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
give an example. \n" ); document.write( "
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