HDFIWNhfewo HDFIWNhfewo 12-12-2020 Mathematics contestada Simplify the Polynomial and please show your work so I can do more on my own. (btw ! will stand for rise to the power) 5xyx!3 + 7yxx!3 - 5x!2x!3 - 5x!2zx. + 3zx!3