Question

6x^2=12x-24

Answer 1

completing the square

Answer 2

Well, you have to use the Quadratic Formula...

Answer 3

if you send all the other terms to the other side of the equation you'd get
\[6x^2-12x+24=0\]
using the quadratic formula as wmckinley said,
\[x=\frac{ -b \pm \sqrt{b^2-4ac} }{ 2a }\]