Simplify
- $\frac { \left( e ^ { 1 / 2 x } \right) - 3 / 4 } { e ^ { 2 x - 5 } }$

Short Answer

Simplify.
- $\frac { \left( e ^ { 1 / 2 x } \right) - 3 / 4 } { e ^ { 2 x - 5 } }$ Enter your answer exactly as $\mathrm { e } ^ { \mathrm { P } } ( \mathrm { x } )$ where P is a polynomial with any fractions in the form $\frac { a } { b }$ in lowest terms.