SOLUTION: I need help. Find all numbers in which the rational expression is undefined. p^3-2p/p^2-49

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Question 365116: I need help. Find all numbers in which the rational expression is undefined.
p^3-2p/p^2-49
Answer by ewatrrr(10682) About Me  (Show Source):
You can put this solution on YOUR website!


Hi, 

*Note: always beware of a value that would result in a denominator = 0



denominator: p^2 - 49 = (p-7)(p+7)

7 and -7 are the numbers for which the rational expression is undefined