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import numpy as np
import matplotlib.pyplot as plt

def f(x):
    return x**3 + 0.205*x**2 - 10.880*x - 1.469

# Вывод таблицы
for x in np.arange(-5, 5, 0.5):
    print(f'{x:0.3f} {f(x):0.3f}')

# построение графика
xs = np.linspace(-5, 5, 100)
plt.plot(xs, f(xs))
plt.grid(1)
xn = np.roots([1, 0.205, -10.880, -1.469])
print('корни многочлена\n', xn)
plt.show()