# Redundant brackets in exponents and sagetex

If I do

$\sage{1/exp(x)}$


in sagetex, it typeset's it as $e^{(-x)}$ instead of $e^{-x}$. How to fix this?

By the way: Is it possible to make sagetex to typeset the Euler Number automatically as $\mathrm{e}$ instead of $e$?

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Can you provide an example? When I do $x^{2-5} = \sage{x^(2-5)}$, it prints it as \frac{1}{x^{3}}.