akar akar dari 25x^2 - 130x + 124 = 0

25x² - 130x + 124 = 0
(5x - 13)² - 45 = 0
(5x - 13)² = 45
5x - 13 = √45
5x - 13 = 3√5
5x = 13 ± 3√5
x = (13 ± √5)/5
x1 = (13 + 3√5)/5
x2 = (13 - 3√5)/5