Respuesta :

Answer:

5x^2 + 3x + 4

Step-by-step explanation:

Rewrite (2x^2+x+3)+(3x^2+2x+1) vertically, and then combine like terms:

 (2x^2+  x +3)

+(3x^2+2x + 1)

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5x^2 + 3x + 4

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