1ConnectionsAcademy1 1ConnectionsAcademy1 02-03-2017 Mathematics contestada what is the simpler form of the expression? (5d+2)(3d^2+8d-3) A. 15d^3 + 46d^2 + 1d - 6 B. 15d^3 + 34d^2 - 1d - 6 C. 15d^3 - 34d^2 + 1d - 5 D. 15d^3 + 34d^2 - 1d -5