Write in Standard Form -x-4=-3x^2

$- x - 4 = - 3 x^{2}$

Add $3 x^{2}$ to both sides of the equation.

$- x - 4 + 3 x^{2} = 0$

To write a polynomial in standard form, simplify and then arrange the terms in descending order.

$a x^{2} + b x + c = 0$

Move $- 4$ .

$- x + 3 x^{2} - 4 = 0$

Reorder $- x$ and $3 x^{2}$ .

$3 x^{2} - x - 4 = 0$