SOLUTION: Which numbers cannot be used in place of the variable in the rational expression? 3x/x^2-49

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Question 314357: Which numbers cannot be used in place of the variable in the rational expression?
3x/x^2-49

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!

Two values are not allowed.
and .
They are not allowed since then you would have a division by zero which is undefined.

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