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

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

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Question 367516: which numbers cannot be used in place of the variable in the rational expression:
3x/x^2-49
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
. So the numbers x = 7 or x = -7 cannot be used into the expression.
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