Question

(3,6xy+2,1y²)/(1,44x²-0,49y²)+(2x/(2,4x-1,4y))

Answer 1

3у(1.2х+0.7у)(1.2х-0.7у)*91.2х+0.7у)+2х2(1.2х-0.7у)=3у(1.2х-0.7у)+х(1.2х-0.7у)=(3у+х)(1.2х-0.7у)