Question

How 2 do?

(n)(n+7)(n+8)

Answer 1

`n^(3) + 15n^(2) + 56n`

Explanation:

First FOIL (n + 7)(n + 8) and then distribute n

(n + 7)(n + 8) =
`n^(2) +15n + 56`

n (
`n^(2) +15n + 56`)

=
`n^(3) + 15n^(2) + 56n`