Answer
$7$
Work Step by Step
$(\sqrt{3} + 2i)(\sqrt{3} - 2i) = 3 - 2i \sqrt{3} + 2i \sqrt{3} - 4i^2 = 3 - 4(-1) = 7$
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.