SOLUTION: Find all numbers for which the rational expression is undefined t^3-6t/t^2-9

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Question 246643: Find all numbers for which the rational expression is undefined t^3-6t/t^2-9
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find all numbers for which the rational expression is undefined t^3-6t/t^2-9
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The denominator cannot be zero.
t^2-9 = 0
when
t = 3 or t = -3
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The expression is undefined if t = 3 or if t = -3.
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Cheers,
Stan H.