SOLUTION: Which numbers cannot be used in place of the variable? 2y+1/y^2-y-6

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Question 402544: Which numbers cannot be used in place of the variable?

2y+1/y^2-y-6
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
If the function is %282y%2B1%29%2F%28y%5E2-y-6%29+=+%282y%2B1%29%2F%28%28y-3%29%28y%2B2%29%29, y = 3, -2 cannot be used.