Gjej x, z
x=\frac{\sqrt[3]{3\sqrt{249}-46}-\sqrt[3]{3\sqrt{249}+46}+2}{3}\approx -0.477967243\text{, }z=\frac{2\sqrt[3]{3\sqrt{249}+46}+\left(3\sqrt{249}+46\right)^{\frac{2}{3}}+\left(3\sqrt{249}-46\right)^{\frac{2}{3}}-2\sqrt[3]{3\sqrt{249}-46}-9}{9}\approx 2.184387171
x=2\text{, }z=1
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