Answer:
It could be solved by filling in "x" as 2.
Explanation:
F(x) = 2^3 + x^2 - 5(2) - 6
f(x) = 8 + 4 -10 - 6
f(x) = 12 -16
= -4
Hope this is easy enough to understand.
3^2+2^2-5×2-6
9+4-10-6
-3
-3 is the answer
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