1105.sagews

var("x,y")

(x, y)

(2*x^3+3*y-4*x*y^2-12+12*x-20*y)

2*x^3 - 4*x*y^2 + 12*x - 17*y - 12

factor(2*x^3+3*y-4*x*y^2-12+12*x-20*y)

2*x^3 - 4*x*y^2 + 12*x - 17*y - 12