Question

выполните действия (x+3y): (x^2-9y^2)

Answer 1

(х+3у):(х^2-9у^2)=(х+3у):(х^3-9у^2)=х+3у/х^3-9у^2

Answer 2

(x+3y):(x^2-9y^2)=(x+3y)*1/(x+3y)(x-3y)=1/(x-3y)