Simplify using the horizontal method (2n^2+5n+5)(2n-4)

4n3 – 2n2 + 28n – 16
4n3 + 12n2 – 2n – 16
4n3 + 2n2 – 12n – 16
4n3 + 18n2 – 28n – 16

1 answer

4n^3 + 18n^2 - 28n - 16