Question 252123
....................... x+3
...............-------------------------
x^2-3x-4k/x^3..........-37x-12k
.....................x^3-3x^2-4kx
..............--------------------------
............................3x^2-9x-12k

.
.
-37x-(-4kx)=-9x
-37+4k=-9 divide each side by x.
4k=37-9
4k=28
k=7
.
Ed