Riješite za x (complex solution)
x=-\frac{9^{\frac{2}{3}}\left(1+\sqrt{3}i\right)\left(-\sqrt[3]{9\left(\sqrt{26}+3\sqrt{3}\right)}i-\sqrt[3]{\sqrt{78}+9}+2\sqrt[3]{9-\sqrt{78}}\right)}{36}\approx -0,760689853+0,857873627i
x = \frac{9 ^ {\frac{2}{3}} {(\sqrt[3]{\sqrt{78} + 9} + \sqrt[3]{9 - \sqrt{78}})}}{9} \approx 1,521379707
x=-\frac{9^{\frac{2}{3}}\left(-\sqrt{3}i+1\right)\left(-\sqrt[3]{\sqrt{78}+9}+2\sqrt[3]{9-\sqrt{78}}+\sqrt[3]{9\left(\sqrt{26}+3\sqrt{3}\right)}i\right)}{36}\approx -0,760689853-0,857873627i
Riješite za x
x = \frac{9 ^ {\frac{2}{3}} {(\sqrt[3]{\sqrt{78} + 9} + \sqrt[3]{9 - \sqrt{78}})}}{9} \approx 1,521379707
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