Combine like terms: group the \(e\) terms and the constants separately.<br><br>
&bull; Like terms with \(e\): \(4e + 2e = 6e\)<br>
&bull; Constants: \(1 + 8 = 9\)<br>
&bull; Result: \(6e + 9\)<br><br>
Final Answer: A: \(6e + 9\)