Question

Помогите пожалуйста решить через дискриминант

Answer 1

6х+22/x-3 = 6x^2-18x+22/x-3
6x^2-18x+22/x-3 + 5/1 = 6x^2-13x+7/x-3 = 0
6x^2-13x+7 = 0
D = 169 - 4*6*7 = 169 - 168 = 1
x1 = 13+1/2*6 = 14/12 = 7/6 = 1$\frac{1}{6}$
x2 = 13-1/2*6 = 12/12 = 1