Question 830049
{{{-2(2x-4)^2-9=-15}}}
{{{-2(2x-4)^2=-6}}}
{{{(2x-4)^2=3}}}
{{{2x-4=sqrt(3)}}} and {{{2x-4=-sqrt(3)}}}
{{{2x=4+sqrt(3)}}} and {{{2x=4-sqrt(3)}}}
{{{highlight_green(x=2+sqrt(3)/2)}}} and {{{highlight_green(x=2-sqrt(3)/2)}}}