Evaluate the algebraic expression for the given value of the variable.
\[
-x^{2}+5 ; x=6
\]
For $x=6,-x^{2}+5=$
(Simplify your answer.)
Final Answer: \(\boxed{-31}\)
Step 1 :Substitute the value of x into the equation: -6^{2}+5
Step 2 :Simplify the equation: -36+5
Step 3 :Final Answer: \(\boxed{-31}\)