Question 966784
Find the determinant of the matrix and set it equal to {{{x^2}}}.
{{{-1(3(0)-4x)=x^2}}}
{{{4x=x^2}}}
{{{x^2-4x=0}}}
{{{x(x-4)=0}}}
Two solutions:
{{{x=0}}}
and
{{{x-4=0}}}
{{{x=4}}}