Find the Roots (Zeros) f(x)=x^4+x^3-x^2+x+12

$f (x) = x^{4} + x^{3} - x^{2} + x + 12$

Set $x^{4} + x^{3} - x^{2} + x + 12$ equal to $0$ .

$x^{4} + x^{3} - x^{2} + x + 12 = 0$

Graph each side of the equation. The solution is the x-value of the point of intersection.

No solution