SOLUTION: I need to find what numbers cannot be used in place of th vaiable in this rational expression.
3x/x^2-49
Algebra.Com
Question 402234: I need to find what numbers cannot be used in place of th vaiable in this rational expression.
3x/x^2-49
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
The value(s) of x that would make the denominator zero would be the "excluded" value(s).
Set the denominator equal to zero and solve for x.
Factor.
so...
and would be the excluded values.
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