Math (3x^2+ 3x -9) + (5x^2 + 7x^3-4) Asked by AnneS2 on 26 Jun 04:36 Last updated by anonymous on 27 Jun 12:48
(3x^2+ 3x -9) + (5x^2+ 7x^3-4) 3x^2+ 3x -9 + 5x^2+ 7x^3-4 + 7x^3 +3x^2+ 5x^2 + 3x -9-4 7x^3+ 8x^2+ 3x-13
