Question

x+3=
$\frac{x + 3}{x}$
фаст помогите​

Answer 1

Ответ:

$x + 3 = \frac{x + 3}{x} \\ x < > 0 \\ {x}^{2} + 3x = x + 3 \\ {x}^{2} + 2x - 3 = 0 \\ d = 4 + 12 = 16 \\ x1 = \frac{ - 2 + 4}{2} = 1 \\ x2 = \frac{ - 2 - 4}{2} = - 3$

<> не равно