The simplified form of (4x + 3)2 . (3x - 5) - (4x3 - 12x2 + 9x - 20) is

• 6x2- 48x - 50
• 24x3 + 2x2 - 32x - 15
• 44x3 + 4x2 - 102x - 25
• 24x3 + 8x2 - 42x - 50