Answer
$$ x^2-9x+18$$
Work Step by Step
Simplifying the equation to a form ready to be factored, we find:
$$\left(\sqrt{x-2}\right)^2=\left(x-4\right)^2\\ x-2=x^2-8x+16\\ x^2-9x+18$$
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.