Question

2×квадрат +13×+6=0 помогите пожалуйста.

Answer 1

2x^2 + 13x + 6 = 0 
D = 169 - 48 = 121
x1 = ( - 13 + 11)/4 = - 2/4 = - 1/2 = - 0,5
x2 = ( - 13 - 11)/4 = - 24/4 = - 6