SOLUTION: Find all numbers for which the rational expression is undefined. q^3-2q / q^2-4

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Question 222410: Find all numbers for which the rational expression is undefined.
q^3-2q / q^2-4
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
A rational expression (fraction!) is undefined if the denominator is ZERO! In this case,
q^2-4 =0
(q-2)(q+2)=0
q=2 and q=-2

R^2