SOLUTION: Could someone please explain? Thank You! Short Answer. Find the following quotient: x^2-81/x+9

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Question 381359: Could someone please explain? Thank You!
Short Answer. Find the following quotient:
x^2-81/x+9
Found 2 solutions by richard1234, stanbon:
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
By the difference of two squares theorem, x^2 - 81 = (x-9)(x+9) Therefore the fraction becomes (x-9)(x+9)/(x+9) = x-9.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the following quotient:
x^2-81/x+9
=[(x-9)(x+9)]/(x+9)
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= x-9
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Cheers,
stan H.