Answer
$3x^2-6x$
Work Step by Step
$y=x^3-3(x^2+\pi^2)=x^3-3x^2-3\pi^2$
$y'=3x^2-2\times3x-0=3x^2-6x$
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.