Respuesta :
Answer:
3x^2 -20x-32
Step-by-step explanation:
(3x + 4)(x − 8)
Foil
First: 3x*x = 3x^2
outer: -8*3x = -24x
inner: 4x
last: -8*4 =-32
Add them together
3x^2 -24x+4x -32
Combine like terms
3x^2 -20x-32
Standard form is ax^2 +bx+c
Answer:
[tex]3 {x}^{2} + 20x - 32[/tex]
Step-by-step explanation:
[tex](3x + 4)(x - 8) \\ 3x(x - 8) + 4(x - 8) \\ 3 {x}^{2} - 24x + 4x - 32 \\ = 3 {x}^{2} + 20x - 32[/tex]