SOLUTION: Find all numbers for which the rational expression is not defined. x^2-49/x^2+6x-16

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Question 241473: Find all numbers for which the rational expression is not defined.
x^2-49/x^2+6x-16
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
The expression is undefined if the denominator is ZERO. The numerator is irrelevant!!

x^2 +6x-16=0
(x+8)(x-2)=0
x=-8 or x=2

Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus