# SOLUTION: Find all numbers for which rational expression is undefined. t^3-3t/t^2-49 The answer I got was t(t^2-3)/(t-7)(t+7) This doesn't seem to be right to me I think I factored a

Algebra ->  Algebra  -> Polynomials-and-rational-expressions -> SOLUTION: Find all numbers for which rational expression is undefined. t^3-3t/t^2-49 The answer I got was t(t^2-3)/(t-7)(t+7) This doesn't seem to be right to me I think I factored a      Log On

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 Question 322453: Find all numbers for which rational expression is undefined. t^3-3t/t^2-49 The answer I got was t(t^2-3)/(t-7)(t+7) This doesn't seem to be right to me I think I factored and I am not sure how to do it correctly.Answer by jim_thompson5910(28598)   (Show Source): You can put this solution on YOUR website!Hint: The expression is undefined when the denominator is equal to zero. So the expression is undefined for values of 't' that satisfy the equation