How can we simplify a negative square root?
If you are not already comfortable simplifying positive square roots, check out my Squares and Square Roots playlist: https://www.youtube.com/playlist?list=PLQkSNxp4LZxjqldlbL6NOVX6YMpSy6Jvd
Part of my imaginary numbers video series:
Part One: https://www.youtube.com/watch?v=F8Ajnzb2Ge8
Part Two: https://www.youtube.com/watch?v=u-loL4AhoZ0
Part Three: https://www.youtube.com/watch?v=G_nX_Jv9_h8
Part Four: (this video)
