Divide 3x-1÷6x^4+x^3+8x^2+9x-4

$3 x - 1 \div 6 x^{4} + x^{3} + 8 x^{2} + 9 x - 4$

Rewrite the division as a fraction.

$3 x - \frac{1}{6 x^{4}} + x^{3} + 8 x^{2} + 9 x - 4$