$x=1$ and $x=2$

$x=-\frac{1}{2}$ and $x=\frac{3}{2}$

$x=\frac{1+\sqrt{5}}{2}$ and $=\frac{1-\sqrt{5}}{2}$

$x=\frac{-1+\sqrt{5}}{2}$ and $x=\frac{-1-\sqrt{5}}{2}$