ANSWER
[tex]d^2-9d+54;R\colon-332[/tex]
EXPLANATION
We want to divide the polynomial:
[tex]d^3-3d^2-8[/tex]
by:
[tex]d+6[/tex]
To do this, we use the long division method:
Therefore, the answer is:
[tex]d^2-9d+54[/tex]
with a remainder of:
[tex]-332[/tex]
