Question

125x³ - 75x² + 15x - 1 = 0.
Решите пожалуйста ​

Answer 1

$125 {x}^{3} - 75 {x}^{2} + 15x - 1 = 0$

$(5x - 1 {)}^{3} = 0$

$5x - 1 = 0$

$5x = 1$

$x = \frac{1}{5}$