Directions: Simplify. Final answer should be written in standard form.

Please help. I've been stuck on this for a while and I still don't understand it. I asked earlier but didn't get an answer to this question. Please help and show work. Thank you!!

Guest Feb 11, 2019

#1**0 **

This is just kinda tedious.....expand ...... collect like terms ...re-arrange in standard form to get

-15n^3+12n^2+8n+1

https://www.mathpapa.com/algebra-calculator.html

ElectricPavlov Feb 11, 2019