Respuesta :

renknee

Answer:

(Don't use FOIL, that's only for multiplying binomials!)

3x^2 + 9x + 1

Step-by-step explanation:

Step 1: Combine like terms:

  • [tex]5x - 2 + 3x^2 + 4x + 3[/tex]
  • [tex](3x^2) + (5x + 4x) + (-2 + 3)[/tex]
  • [tex]3x^2 + 9x + 1[/tex]

Therefore, the answer is 3x^2 + 9x + 1.