Question 66246
4X^2-16X+9Y^2+18Y=0
4X(X-4)+9Y(Y+2)=0

{{{ graph( 300, 200, -6, 5, -20, 20,4x^2 -16x +9y^2 +18y) }}} (graph 300x200 pixels, x from -6 to 5, y from -20 to 20,4x^2 -16x +9y^2 +18y).