Question 297760
(15n-2) (2n^3 - 3n^2-4n-5)


15n(2n^3 - 3n^2-4n-5)-2(2n^3 - 3n^2-4n-5)



15n(2n^3) - 15n(3n^2)-15n(4n)-15n(5)-2(2n^3) +2(3n^2)+2(4n)+2(5)


30n^4 - 45n^3-60n^2-75n-4n^3 +6n^2+8n+10


30n^4 - 49n^3-54n^2-67n+10