Answer
8900
Work Step by Step
To evaluate, substitute the given values for x and y.
$x^3-y^2$
=$21^3-(-19)^2$
=$9261-361=8900$
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.