Răspuns :
a)|x|=3 radical 6
b)x+y=3radic6+8radical6=11radical6
x-y=3radical6-8radical6= -5 radical 6
x la puterea 2=3(radical6)la puterea2=9x6=54
succes
b)x+y=3radic6+8radical6=11radical6
x-y=3radical6-8radical6= -5 radical 6
x la puterea 2=3(radical6)la puterea2=9x6=54
succes