The number of triangles formed by the lines represented by $x^3-x^2-x-2=0$ and $x y^2+2 x y+4 x-2 y^

Question

The number of triangles formed by the lines represented by $x^3-x^2-x-2=0$ and $x y^2+2 x y+4 x-2 y^2-4 y-8=0$ is

Professor PC Thomas Classes · Answer

Factoring equations gives sets of parallel and perpendicular lines that do not bound any closed triangular region.