Question

(x-1)(24/x+2)=24 решите квадратное уравнение срочно!!!!!!!!!!!!!!!!!​

Answer 1

Ответ:

$(x - 1)( \frac{24}{x} + 2) = 24 \\ 24 + 2x - \frac{24}{x} - 2 - 24 = 0 \\ 2 {x}^{2} - 2x - 24 = 0 \\ d = 4 + 192 = 196 \\ \sqrt{d} = 14 \\ x1 = \frac{2 - 14}{4} = - 3 \\ x2 = \frac{2 + 14}{4} = 4$