Answer
${(-\sqrt 3, 1), (\sqrt 3, 1)}$
Work Step by Step
Please see the graph.
Red line: $y=x^2-2$
Green line: $y=-x^2+4$
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.