SOLUTION: evaluate and, if possible simplify. 12/-x-3 for x=-3

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Question 552843: evaluate and, if possible simplify.
12/-x-3 for x=-3
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
12/(-x-3)

12/(-(-3)-3)

12/(3-3)

12/(0)

Since you CANNOT divide by zero, this means that x = -3 is NOT in the domain of 12/(-x-3), which means that we cannot evaluate it at this value of x.