SOLUTION: The domain of the rational expression 5x/(4x+4) is all x's except what number?

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Question 469944: The domain of the rational expression 5x/(4x+4) is all x's except what number?
Found 2 solutions by ewatrrr, stanbon:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

rational expression 5x/(4x+4)

Domain is all values of x with the exception of x = -1

CANNOT have a zero in the denominator!

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The domain of the rational expression 5x/(4x+4) is all x's except what number?
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4x+4 connot be zero.
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Solve:
4x+4 = 0
4x = -4
x = -1
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Answer: x cannot be -1
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Cheers,
Stan H.