169x³ + 26x² + x = 0
x(169x² + 26x + 1) = 0
x₁ = 0
169x² + 26x + 1 = 0
D = 26² - 4 * 169 * 1 = 676 - 676 = 0
169x³ + 26x² + x = 0
x(169x² + 26x + 1) = 0
x₁ = 0
169x² + 26x + 1 = 0
D = 26² - 4 * 169 * 1 = 676 - 676 = 0