Find the Equation of the Tangent Lines to the Graph $- x ^ { 2 } + 2 y ^ { 2 } + 3 x = 3$

Essay

Find the equation of the tangent lines to the graph of $- x ^ { 2 } + 2 y ^ { 2 } + 3 x = 3$ at the points with x-coordinate $x = 2$