SOLUTION: Directions are: Find the domain of each rational expression. My teach answered this problem like this x-3/x+2 {x|x=-2| my problem is x^2-1/x-5 How do I find the answer?

Question 647239: Directions are: Find the domain of each rational expression. My teach answered this problem like this x-3/x+2 {x|x=-2|
my problem is x^2-1/x-5 How do I find the answer?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

this problem like this x-3/x+2 {x|x=-2|
..........since you have rational expression, the denominator cannot be equal to zero because to divide by zero doesn't make sense
so, the domain is all real numbers except one that makes denominator equal to zero and it is ...->...
your answer is: {x|x=5|
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