Respuesta :

Answer[tex]6x^{2} +5x-4[/tex]

Step-by-step explanation:

You have to FOIL (First, Outer, Inner, Last) that.
First: 2x • 3x = 6x^2
Outer: 2x • 4 = 8x
Inner: -1 • 3x = -3x
Last: -1 • 4 = -4

Answer: 6x^2 + 5x - 4