Find the Roots (Zeros) f(z)=-7z^4+z^2-25

$f (z) = - 7 z^{4} + z^{2} - 25$

Set $- 7 z^{4} + z^{2} - 25$ equal to $0$ .

$- 7 z^{4} + z^{2} - 25 = 0$

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

No solution