Math (3 + 2z^2 -5z^4) - (8z + 7z^4 + 4) Asked by AnneS2 12 years ago 9/27/2013 7:10 AM Last updated by anonymous 12 years ago 9/28/2013 11:28 AM
(3 + 2z^2 -5z^4) - (8z + 7z^4 + 4) 3 + 2z^2 -5z^4 - 8z - 7z^4 - 4 3- 4 + 2z^2 -5z^4- 7z^4 - 8z -1 + 2z^2 -12z^4 - 8z