121x³ - 22x² + x = 0;
x(121x^2 - 22x + 1) = 0;
x(11x - 1)^2 = 0;
1) x = 0;
2) (11x - 1)^2 = 0;
11x - 1 = 0;
11x = 1;
x = 1/11.
121x³ - 22x² + x = 0;
x(121x^2 - 22x + 1) = 0;
x(11x - 1)^2 = 0;
1) x = 0;
2) (11x - 1)^2 = 0;
11x - 1 = 0;
11x = 1;
x = 1/11.