12х^2+х-6=0 решить уравнение

12x^2 + x - 6 = 0 D = 1 + 288 = 289 ; V 289 = 17X1 = ( - 1 + 17 ) : 24 = 16/24 = 4/6 = 2/3 X2 = ( - 1 - 17 ) : 24 = - 18/24 = - 9/12 = - 3/4 Ответ 2/3 ; - 3/4