Rationalize the Denominator and Simplify $\frac { - 3 } { \sqrt { x } + 5 }$

Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
- $\frac { - 3 } { \sqrt { x } + 5 }$

A) $\frac { 15 + 3 \sqrt { x } } { x - 25 }$
B) $\frac { 15 + 3 \sqrt { x } } { x + 25 }$
C) $\frac { 15 - 3 \sqrt { x } } { x ^ { 2 } - 25 }$
D) $\frac { 15 - 3 \sqrt { x } } { x - 25 }$

Correct Answer:

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