Question

Упростите выражение 4x²/x²-4 × x-2/2x

Answer 1

$\frac{ {4x}^{2} }{ {x}^{2} - 4 } \times \frac{x - 2}{2x} = \frac{4 {x}^{2} }{(x - 2)(x + 2)} \times \frac{x - 2}{2x} = \frac{2x}{x + 2}$