Сократите дробь: (x^2-8x+16)/(16-x^2).

\[\frac{x^{2} - 8x + 16}{16 - x^{2}} =\]

\[= \frac{(x - 4)^{2}}{(4 - x)(4 + x)} = - \frac{x - 4}{4 + x} =\]

\[= \frac{4 - x}{4 + x}\]