I have returned from the horrible land of finals, so I should get back to posting more stuff.
I'm quoting an old principal that my older brother had, but if no one else tells you this I (x^{2}+y^{2}-1)^{3}-x^{2}y^{3} = 0 you. Technically the equation was not there originally, but just plug it into a graphing calculator. Desmos works well.