Answer
$x^{2}$
Work Step by Step
A square of a number is a number multiplied by itself.
$x\times x$ or $x^{2}$ for short.
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.