1https://edu.gounn.ru/journal-api-online_lessons-action?action=setStudentDateStart&isExtDay=0&onlineLessonId=48https://edu.gounn.ru/journal-api-online_lessons-action?action=setStudentDateStart&isExtDay=0&onlineLessonId=48https://edu.gounn.ru/journal-api-online_lessons-action?action=setStudentDateStart&isExtDay=0&onlineLessonId=48https://edu.gounn.ru/journal-api-online_lessons-action?action=setStudentDateStart&isExtDay=0&onlineLessonId=48https://edu.gounn.ru/journal-api-online_lessons-action?action=setStudentDateStart&isExtDay=0&onlineLessonId=48https://edu.gounn.ru/journal-api-online_lessons-action?action=setStudentDateStart&isExtDay=0&onlineLessonId=48
3х-5-х^2+3=0
-х^2+3х-2=0|-1
Х^2-3х+2=0
D=9-4*2= 1
Х1=(3-1)/2=1
Х2=(3+1)/2=2