Question

Помогииитеее умоляяяююю!!!!

Answer 1

$(\frac{5x^{2}-20x+20 }{x^{2}-4 }:(\frac{x-2}{x+2}))^{4}=(\frac{5(x^{2}-4x+4) }{(x-2)(x+2)}*(\frac{x+2}{x-2}))^{4}=\\\\=(\frac{5(x-2)^{2} }{(x-2)(x+2)} *(\frac{x+2 }{x-2}))^{4} =5^{4}=625\\\\625=625$