Question

$$(4x^{4}+21x^{3}+39x^{2}-13x-84)\div(4x+9)$$

Evaluate

$\frac{4x^{4}+21x^{3}+39x^{2}-13x-84}{4x+9}$

Expand

$\frac{4x^{4}+21x^{3}+39x^{2}-13x-84}{4x+9}$