Gjej x (complex solution)
x=-\frac{\sqrt[3]{2}\left(-\sqrt{3}\sqrt[3]{2}i+4-\sqrt[3]{2}\right)}{2}\approx -1.726141574+1.374729637i
x=4^{\frac{2}{3}}\left(\sqrt[3]{4}+1\right)\left(-4\right)^{-\frac{1}{3}}\approx 2.053621576-3.556976909i
x=\frac{\sqrt[3]{2}e^{\frac{\pi i}{3}}\left(4-\sqrt[3]{2}+\sqrt{3}\sqrt[3]{2}i\right)}{2}\approx -0.327480002+2.182247272i
Gjej x
x=-\sqrt[3]{4}-2\sqrt[3]{2}\approx -4.107243152
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