Question

3(x+6)^2 = 36

Answer 1

x = sqrt(12) - 6

Answer 2

\[3(x+6)^2=36\]
\[(x+6)^2=12\]
\[x+6=\pm\sqrt{12}=\pm2\sqrt{3}\]
\[x=-6\pm2\sqrt{3}\]