Answer
$ v^{3}+5 $
Work Step by Step
Simplify and write in standard form
$ (2v^{3}-v+8)+(-v^{3}+v-3) $
Simplify
$ 2v^{3}-v+8-v^{3}+v-3 $
Combine like terms
$ v^{3}+5 $
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.