Work Step by Step
Anything raised to an even power (like two) is always positive. However, there is a negative one being multiplied by 2 raised to the second power, so the answer becomes negative.
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.