What is the product of (m^2-2m+7)(3m+6)

Question

please solve how u did it ??

Answer 1

just use the distributive law
(m^2-2m+7)(3m+6)
= m^2(3m+6) - 2m(3m+6) + 7(3m+6)
= 3m^3 + 6m^2 - 6m^2 - 12m + 21m + 42
= 3m^3 + 9m + 42