Răspuns:
3radical3
Explicație pas cu pas:
2x(4+2radical3)-radical3(5x+3radical3)=2radical3(3radical3-x)+2(4x-9)
8x+4xradical3-5xradical3-9=18-2xradical3+8x-18
8x-xradical3-9=8x-2xradical3
8x-xradical3-8x+2xradical3=9
xradical3=9
x=9/radical3
x=9radical3/3
x=3radical3