\(2n^2 -8=-33\)
\(2n^2=-33+8\) \(Add \ 8 \ to \ both \ sides\)
\(2n^2=-25\)
\(n^2=- \dfrac{25}{2}\) \(Divide \ both \ sides \ by \ 2\)
\(n=+ \sqrt{ -\dfrac{25}{2} }\) \(Take \ the \ square \ root \ of \ both \ sides\)
\(n=+ \sqrt{ \dfrac{5i}{ \sqrt{2}}}\)
