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Answer :

DᴀʀᴋPᴀʀᴀᴅᴏxgo

Let's solve :

  • [tex](2 {x}^{3} - 5x - 1) + (4 {x}^{3} + 8x + 3)[/tex]

  • [tex](2 {x}^{3} + 4x {}^{3} ) + (8x - 5x) + (3 - 1)[/tex]

  • [tex]6 {x}^{3} + 3x + 2[/tex]

therefore, correct choice is B. 6x³ + 3x + 2

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