Answer:
[tex]x_{1[/tex]=-[tex]\sqrt{2}[/tex] , [tex]x_{2}[/tex]=[tex]\sqrt{2}[/tex]
Step-by-step explanation:
3[tex]x^{2}[/tex]-4=2
3[tex]x^{2}[/tex]=2+4
3[tex]x^{2}[/tex]=6 (divide both sides by 3)
[tex]x^{2}[/tex]=2 (simplify)
x=±[tex]\sqrt{2}[/tex]