Which of the following expressions is this one equivalent to?
(x^4+2x^3-x-2)÷(x^3-1)
A2x-5- (3/x^3-1)
Bx^2+x+1
Cx+2
Dx^2+3x+2
...?
(x^4+2x^3-x-2)÷(x^3-1)
A2x-5- (3/x^3-1)
Bx^2+x+1
Cx+2
Dx^2+3x+2