решить уравнение: (3х-5)^2=х(3х-4)

(3х - 5)^2 = х(3х - 4)
9х^2 - 30х + 25 = 3х^2 - 4х
9х^2 - 30х + 25 - 3х^2 + 4х = 0
6х^2 - 26х + 25 = 0
D = 26^2 - 4•6•25 = 676 - 600 = 76
√D = √76 = √(4•19) = 2√19
х1 = (26 + 2√19)/(2•6) = (13 + √19)/6
х2= (26 - 2√19)/(2•6) = (13 - √19)/6