Question

Упростите выражение: (4x/x+2 + 2x) × x+2/4x²

Answer 1

1)4х/(х+2) +2х=(4х+2х²+4х)/(х+2)=(2х²+8х)/(х+2)=2х(х+4)/(х+2)
2)2х(х+4)/(х+2)*(х+2)/4х²=(х+4)/2х