Is the 10 taking away 5 or was it meant to me 10.5 ?
This system will have 1 solution, or C. That's because since the equations are different, meaning that there is 1 solution.
ANSWER
Quotient:

Remainder:

EXPLANATION
The given functions are

and

We want to find the remainder and quotient when f(x) is divided by g(x).
We perform the long division as shown in the attachment.
The quotient is

The remainder is