Question

Помогите решить помогите плиз

Answer 1

$\frac{k+4}{k-4}: \frac{k^{2}-8k+16 }{k^{2}-16 } = \frac{k+4}{k-4}* \frac{(k-4)(k+4)}{(k-4)^{2} } = \frac{(k+4)^2}{(k-4)^2}$

Answer 2

$\frac{k+4}{k-4} * \frac{(k-4)(k+4)}{(k-4)^2} = \frac{(k+4)^2}{(k-4)^2}$