Leystu fyrir x (complex solution)
x=-\frac{2^{\frac{2}{3}}\left(1+\sqrt{3}i\right)\left(\sqrt[3]{27\sqrt{29}+173}\left(-\sqrt{3}i-1\right)-2\sqrt{3}\sqrt[3]{2}i+2\sqrt[3]{173-27\sqrt{29}}+2\sqrt[3]{2}\right)}{72}\approx -0.65657751+0.29070959i
x=\frac{2^{\frac{2}{3}}\left(\sqrt[3]{27\sqrt{29}+173}+\sqrt[3]{173-27\sqrt{29}}-2\sqrt[3]{2}\right)}{18}\approx 0.646488353
x=-\frac{2^{\frac{2}{3}}\left(-\sqrt{3}i+1\right)\left(\sqrt[3]{27\sqrt{29}+173}\left(-1+\sqrt{3}i\right)+2\sqrt[3]{173-27\sqrt{29}}+2\sqrt[3]{2}+2\sqrt{3}\sqrt[3]{2}i\right)}{72}\approx -0.65657751-0.29070959i
Leystu fyrir x
x=\frac{2^{\frac{2}{3}}\left(\sqrt[3]{27\sqrt{29}+173}+\sqrt[3]{173-27\sqrt{29}}-2\sqrt[3]{2}\right)}{18}\approx 0.646488353
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