Answer
$f’(x) = 4x^3-2x $
Work Step by Step
$f(x) = (x^2+x)(x^2-x) $
$f’(x) = (2x+1)(x^2-x)+(2x-1)(x^2+x) $
$f’(x) = 2x^3-2x^2+x^2-x+2x^3+2x^2-x^2-x $
$f’(x) = 4x^3 -2x$
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.