Answer
$5$
Work Step by Step
$a = 3, b=-1, c=-2$
$\sqrt {b^2-4ac}$
=$ \sqrt {(-1)^2 - (4\times3\times-2)}$
=$\sqrt {1-(-24)}$
=$\sqrt {1+24}$
=$\sqrt 25$
=$\sqrt{ 5^2}$
=$5$
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.