Question

Найди корень уравнения 4,5(х-10)(х+2,3)

Answer 1

Ответ:

$4.5(x - 10)(x + 2.3) \\ (4.5x - 45)(x + 2.3) \\ 4.5x {}^{2} - 34.65x - 103.5 = 0 \\ x1 = \frac{23}{10} \\ x2 = 10$