Answer
$\frac{-4}{x - 3}$
Work Step by Step
Note: Multiplying a fraction by one or an equivalent to one does not change the fraction.
To add two fractions, there must be a common denominator:
$\frac{2}{x - 3} + \frac{6 (-1)}{(3 - x)(-1)}$ = $\frac{2}{x - 3} - \frac{6}{x - 3}$ = $\frac{-4}{x - 3}$