Question 86299
Divide {{{x^6}}} + 5{{{x^5}}} + 9{{{x^3}}} - 3{{{x^2}}} -23 by x + 4. Synthetic division is very hard to format nicely on this particular software, but here goes:

-4   1  5  0  9  -3  0  -23
       -4 -4 16 -100 412 -1648
     1  1 -4 25 -103 412 -1671

So, g(-4) = -1671