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求解一元二次与三次多项式方程,给出判别式 Δ、实数根与复数共轭根精确解及高精度小数近似解。
输入以 x 为变量的多项式方程(例如 x² + 5x + 6 或 x⁴ - 16 = 0)
x² + 5x + 6
x⁴ - 16 = 0