Question

упростите выражение

Answer 1

$\frac{ {x}^{2} }{ {x}^{3} - x} + \frac{1}{2 - 2x} = \\ = \frac{x}{(x - 1)(x + 1)} - \frac{1}{2(x - 1)} = \\ = \frac{2x - x - 1}{2(x + 1)(x - 1)} = \\ = \frac{1}{2(x + 1)}$