Question

Simplify using the horizontal method. (3n^2+5n+4)(2n-3)

Answer 1

The solution is shown in the image.
6n^3 + n^2 - 7n - 12. Hope I was able to help

Answer 2

(3n^2 + 5n + 4)(2n - 3)
= 6n^3 + 10n^2 - 9n^2 + 8n - 15n - 12
= 6n^3 + n^2 - 7n - 12