Solve x^3-7x=407 - ScanMath

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Question

Solve the equation(The real numbers system)

x \approx 7.72547

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x_{1} \approx - 3.862735 - 6.145092 i, x_{2} \approx - 3.862735 + 6.145092 i, x_{3} \approx 7.72547

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