Work Step by Step
3abc is a common factor. $3a^2b^2c^2+27a^3b^3c^2-81abc=3abc(abc+9a^2b^2c-27)$
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.