Answer:
3[tex]x^{2}[/tex] - 4x - 32
Step-by-step explanation:
(3x+8)(x-4)
=3[tex]x^{2}[/tex] -12x + 8x -32
=3[tex]x^{2}[/tex] - 4x - 32
3x^2 - 12x + 8x - 32
3x^2 - 4x -32
