Evaluate the function.
Find

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Explanation:

Everywhere you see an x, replace it with -5. Then use the order of operations PEMDAS to simplify

Keep in mind that for the x^2 term, you are squaring all of x = -5, which includes the negative as well. So that means

x^2 = (-5)^2 = (-5)*(-5) = 25

but sticking a negative out front makes

-x^2 = -(-5)^2 = -25

the answer is simply just 6n add the two together as they have an n