Упростите выражение: 13x+6y/(x+y)^2 - 11x+4y/(x+y)^2

Question

Упростите выражение: 13x+6y/(x+y)^2 - 11x+4y/(x+y)^2

Answer 1

=(13х+6у-11х-4у)/(х+у)^2=(2х+2у)/(х+у)^2=(2(х+у))/(х+у)^2=2/х+у