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.
