Solve 15x-27x^4=90

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Type your math problem... 15x-27x^4=90

Question

Solve the equation(The real numbers system)

x \in / R

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x_{1} \approx 0.956949 + 0.877846 i, x_{2} \approx 0.956949 - 0.877846 i, x_{3} \approx - 0.956949 + 1.029994 i, x_{4} \approx - 0.956949 - 1.029994 i

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