Answer:
3x² + 2x -16
Step-by-step explanation:
(3x+8)(x-2)
=> 3x(x) + 3x(-2) + 8(x) + 8(-2)
=> 3x² - 6x + 8x - 16
=> 3x² + 2x -16
[tex](3x + 8)(x - 2) \\ = 3 {x}^{2} - 6x + 8x - 16 \\ = 3 {x}^{2} + 2x - 16 \\ thank \: you[/tex]