Respuesta :

choixongdong
(3 + x^3 + 3x^2)+(2x^3 −2 −4x^2)
= 3 + x^3 + 3x^2+ 2x^3 −2 −4x^2
= 3x^3 - x^2 + 1

answer
3x^3 - x^2 + 1 in standard form

hope it helps

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