Respuesta :
Answer:
12x^2-23x-24
Step-by-step explanation:
use foil(first, outside, inside, last):
12x^2-32x+9x-24
simplify(combine like terms):
12x^2-23x-24
Answer:
[tex]f(x) = (4x + 3)(3x - 8) \\ f(x) = 12 {x}^{2} - 32x + 9x - 24 \\ \boxed{f(x) = 12 {x}^{2} - 23x - 24}[/tex]