Question

X^2 - 4x -2 = 0
Solve by completing the square

Answer 1

\[x^2-4x=2\]
\[(x-2)^2=2+4=6\]
\[x-2=\pm\sqrt{6}\]
\[x=2\pm\sqrt{6}\]

Answer 2

Thanks !

Answer 3

yw