1) pt $\Leftrightarrow x^{2}.(x+1004)^2+(\sqrt{x+1004,5}-\frac{1}{\sqrt{2}})^2=0\Leftrightarrow x=-1004$
1) pt $\Leftrightarrow x^{2}.(x+1004)^2+(\sqrt{x+1004,5}+\frac{1}{\sqrt{2}})^2=0\Leftrightarrow x=-1004$
1) pt $\Leftrightarrow x^{2}.(x+1004)^2+(\sqrt{x+1004,5}
-\frac{1}{\sqrt{2}})^2=0\Leftrightarrow x=-1004$