Answer
$$x=\frac{-1\pm 2\sqrt{6}i}{5}$$
Work Step by Step
We first check that the function is in the form $ax^2+bx+c$. Then, using the quadratic formula, we obtain:
$$x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$$
$$x=\frac{-2\pm \sqrt{(2)^2-4(5)(5)}}{2(5)}$$
$$x=\frac{-1\pm 2\sqrt{6}i}{5}$$