briciiaa19 briciiaa19 12-10-2017 Mathematics contestada xWhich polynomial represents (5x2 + 3x – 4)(2x + 3)? A 10x3 + 20x2 + x – 12 B 10x3 + 21x2 + x – 12 C 10x3 + 24x2 + x – 12 D 10x3 + 5x2 + x – 12