Sarah was working on simplifying an expression and this is her work. She made a mistake. Explain what her error was.
http://152.46.13.240/MoodleContent/Algebra2/Module6/find%20the%20error.png (Problem)

Question

Sarah was working on simplifying an expression and this is her work.  She made a mistake.  Explain what her error was.
http://152.46.13.240/MoodleContent/Algebra2/Module6/find%20the%20error.png (Problem)

anonymous · Answer

her mistake was adding the fractions at the top thinking that it had a numerical value when it symbolized  a whole number, a square root, and a cube root.

anonymous · Answer

x^(1-1/2-1/3)   =?