crazykid121828 crazykid121828 09-05-2018 Mathematics contestada SOME ONE PLEASE HELP Determine the sum: (8x3y2 + 4xy2) + (2xy2 + 9x3). 23x8y6 8x3y2 + 6xy2 + 9x3 10x3y2 + 13xy2 12x4y4 + 11x4y2