Question

СРОЧНО СРОЧНО СРОЧНО​

Answer 1

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