Question

Help with subbing trinomials?
(6w^2 - 5w - 8) (7w^2 + 4w - 2)

Answer 1

Whoops, their should be a - inbetween those two.

Answer 2

-w^2-9w-6

Answer 3

Drop the first set of parentheses.
Change every sign inside the second set of parentheses and drop those parentheses.
Combine like terms.