\[\left( \sqrt{18} \right)^{2} - \sqrt[6]{36} + \left( \sqrt[6]{19^{3}} \right)^{2} =\]
\[= 18 - 38 + \sqrt[6]{\left( 19^{3} \right)^{2}} =\]
\[= - 20 + \sqrt[6]{19^{6}} =\]
\[= - 20 + 19 + 1 = - 1\]