Gjej x (complex solution)
x=-\frac{18^{\frac{2}{3}}\left(1+\sqrt{3}i\right)\left(-\sqrt[3]{9\left(\sqrt{16843}+75\sqrt{3}\right)}i-\sqrt[3]{\sqrt{50529}+225}+2\sqrt[3]{225-\sqrt{50529}}\right)}{72}\approx -1.575794115+2.334390986i
x = \frac{18 ^ {\frac{2}{3}} {(\sqrt[3]{\sqrt{50529} + 225} + \sqrt[3]{225 - \sqrt{50529}})}}{18} \approx 3.151588229
x=-\frac{18^{\frac{2}{3}}\left(-\sqrt{3}i+1\right)\left(-\sqrt[3]{\sqrt{50529}+225}+2\sqrt[3]{225-\sqrt{50529}}+\sqrt[3]{9\left(\sqrt{16843}+75\sqrt{3}\right)}i\right)}{72}\approx -1.575794115-2.334390986i
Gjej x
x = \frac{18 ^ {\frac{2}{3}} {(\sqrt[3]{\sqrt{50529} + 225} + \sqrt[3]{225 - \sqrt{50529}})}}{18} \approx 3.151588229
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