Question

Решите уравнение 4x²+7x/x-5 =2x²-10/5-x

Answer 1

4$x^{2}$ + 7x = -2$x^{2}$ + 10
6$x^{2}$ + 7x - 10 = 0
D = 49 + 240 = 289 = $17^{2}$
x1 = $\frac{-7 + 17}{12} = \frac{10}{12} = \frac{5}{6}$
x2 = $\frac{-7 - 17}{12} = \frac{-24}{12} = -2$