Question

Решите задачу ниже, даю 35 баллов

Answer 1

$\cfrac{x^2-10x+25}{3x+12}\cdot \cfrac{x^2-16}{2x-10} : \cfrac{(x-4)\cdot(x-5)}{6} = \\\\\\=\cfrac{(x-5)^2}{3\cdot(x+4)}\cdot \cfrac{(x-4)\cdot(x+4)}{2\cdot(x-5)}\cdot \cfrac{6}{(x-4)\cdot(x-5)}= 1.$