Answer
$(x-1)(x+1)(x^{2}-x+1)$
Work Step by Step
We factor by grouping to obtain:
$x^{4}-x^{3}+x-1=x^{3}(x-1)+1(x-1)
=(x^{3}+1)(x-1)
=(x-1)(x+1)(x^{2}-x+1)$
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.