Answer
$\frac{6-x^{2}}{8(\sqrt 6-x)}$
Work Step by Step
$\frac{\sqrt 6+x}{8}\times\frac{\sqrt 6-x}{\sqrt 6-x}$
=$\frac{(\sqrt 6+x)(\sqrt 6-x)}{8(\sqrt 6-x)}$
=$\frac{(\sqrt 6)^{2}-(x)^{2}}{8(\sqrt 6-x)}$
=$\frac{6-x^{2}}{8(\sqrt 6-x)}$
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