Respuesta :

Answer:

3x^4 + 7x^2y^2 + 2y^4

Step-by-step explanation:

(3x^2 + y^2) (x^2 + 2y^2)

3x^4 + 6x^2y^2 + x^2y^2 + 2y^4

3x^4 + 7x^2y^2 + 2y^4

-TheUnknownScientist

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