SOLUTION: (x^2+6x+9)/(x^2-9) what numbers are excluded

SOLUTION: (x^2+6x+9)/(x^2-9) what numbers are excluded

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Question 407524: (x^2+6x+9)/(x^2-9) what numbers are excluded
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
You CANNOT divide by zero. So this means that the denominator CANNOT be equal to zero. So if were zero, then and we'd find that or .

So if or , then the denominator is zero. This is not allowed. So we must make the restrictions that x cannot equal 3 or x cannot equal -3.

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