Respuesta :

The answer would be A. 5x^2 + 3x + 4.
The correct answer to your question is option A

The step by step solution is listed below:

[tex](2 x^{2} +x+3)+(3 x^{2} +2x+1) \\ \\ =2 x^{2} +x+3+3 x^{2} +2x+1 \\ \\ =2 x^{2} +3 x^{2} +x+2x+3+1 \\ \\ =5 x^{2} +3x+4[/tex]

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