Question

Упростите выражение
3x/y+1:y+y^2/9

Answer 1

$sf dfrac{3x}{y+1}:dfrac{y+y^2}{9}=dfrac{3x}{y+1}cdot dfrac{9}{y+y^2}=dfrac{3x}{y+1}cdotdfrac{9}{y(1+y)}=dfrac{27x}{y(y+1)^2}$