# How do you divide (-7x^3+5x^2+2x+5)/(x-4) ?

$- 7 {x}^{3} + 5 {x}^{2} - 2 x + 5 = \left(x - 4\right) \left(- 7 {x}^{2} - 33 x - 130\right) - 520 + 5$
So the division by $x - 4$ yields
$- 7 {x}^{2} - 33 x - 130 - \frac{515}{x - 4}$