Lildeebo715 Lildeebo715 21-09-2020 Mathematics contestada Subtract (2x3 + 9x - 8) - (4x2 - 15x + 7). 2x2 - 6x - 1 -2x2 + 24x - 15 2x2 - 4x2 - 6x - 1 2x3 - 4x2 + 24x - 15