Question

x^2-18x-4=0

Answer 1

\[x^2-18x=4\]
\[(x-9)^2=4+9^2=84\]
\[x-9=\pm\sqrt{85}\]
\[x=9\pm\sqrt{85}\]

Answer 2

factor it and then set each factor equal to 0, then solve for x

Answer 3

oh lol jk quadratic formula