Question

упростите выражение x^2+10x+25/x^2+5x / x^2-25/x^3

Answer 1

$frac{x^2+10x+25}{x^2+5x}:frac{x^2-25}{x^3}=frac{(x+5)^2}{x(x+5)}:frac{(x-5)(x+5)}{x^3}=frac{x+5}{x}*frac{x^3}{(x-5)(x+5)}=frac{x^2}{x-5}$