Răspuns:
2 radical 2 x+radical 8=radical 2 x+3 raidcal 2
2 raidcal 2 x+2 radical 2=radical 2 x+3 radical 2
2 radical 2 x- radical 2 x+2 radical 2=3 radical2
2 radical 2 x-radical 2 x =3 radical 2-2 radical 2
radical 2 x=3 radical 2-2 radical 2
radical 2 x= radical 2
x= 1