$$(1+ \sqrt{ 3 } )x+2=0$$
$x=1-\sqrt{3}\approx -0.732050808$
$$x+\sqrt{3}x+2=0$$
$$x+\sqrt{3}x=-2$$
$$\left(1+\sqrt{3}\right)x=-2$$
$$\left(\sqrt{3}+1\right)x=-2$$
$$\frac{\left(\sqrt{3}+1\right)x}{\sqrt{3}+1}=-\frac{2}{\sqrt{3}+1}$$
$$x=-\frac{2}{\sqrt{3}+1}$$
$$x=1-\sqrt{3}$$
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