anajahdollsp3u8om anajahdollsp3u8om 21-09-2019 Mathematics contestada Use the grouping method to factor 4x3 + 20x2 – 3x - 15. A. (x+ 5)(4x2 – 3) B. 2x(x + 1)(2x - 15) C. (x - 5)(4x2 + 3) D. (x2 - 5)(4x+3)