Question

what is the equivalent expression of 14n+21? I really need help with this it is due in the morning and I have no clue what I'm doing please helppppppp​

Answer 1

7(2n +3)

Explanation:

`14n+21\\\mathrm{Rewrite\:}21\mathrm{\:as\:}7*\:3\\\mathrm{Rewrite\:}14\mathrm{\:as\:}7*\:2\\\\=7*\:2n+7*\:3\\\\\mathrm{Factor\:out\:common\:term\:}7\\=7\left(2n+3\right)`