Помогите решить уравнение 2х2+3х-5=0
2x^2 + 3x - 5 = 0 D = b2 - 4ac D = 9 + 40 = 49 = 7^2
x1,2 = -b ± √D/2a x1 = -3 + 7/4 = 4/4 = 1 x2 = -3 - 7/4 = - 10/4 = - 5/2 Ответ: x1 = 1 ; x2 = - 5/2