Question 65480
Subtract and express result in simplest form

x^2  -  9
---    ---
x-3  - x-3
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The denominators are the same so combine the numerators and rewrite as follows:

[x^2-9]/(x-3)

=[(x-3)(x+3)/(x-3)]

Cancel the x-3 factors to get:

=(x+3)

Cheers,
Stan H.