If det(x23x)=0\det \begin{pmatrix} x & 2 \\ 3 & x \end{pmatrix} = 0det(x32x)=0, what are the possible values of xxx?
x=±6x = \pm \sqrt{6}x=±6
x=6x = 6x=6
x=±6x = \pm 6x=±6
x=2,3x = 2, 3x=2,3