Work Step by Step
$3(x-4)$ must be greater than or equal to 0 because a negative number does not have a square root. $3(x-4)\geq0$ Simplify to get $x-4\geq0$ Add 4 to both sides to get: $x\geq4$
You can help us out by revising, improving and updating this answer.Update this answer
After 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.