Question

operar y^3-4y+6 (3y^2+6y-3)

Answer 1

(y^3-4y+6) (3y^2+6y-3)=
3y^5+6y^4-3y^3-12y^3-24y^2+12y+18y^2+36y-18=
3y^5+6y^4-15y^3-6y^2+48y-18