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13 September, 12:39

Multiply the polynomials.

(x + 3) (3x2 + 8x + 9)

Ο Α. 3x3 + 17x2 + 33x + 27

O Β. 3x3 + 17x2 - 15x + 27

Ο C. 3x2 + x2 + 33x + 27

Ο D. 3x3 + 17x2 + 33x - 27

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Answers (1)
  1. 13 September, 13:03
    0
    The answer to your question is: letter A

    Step-by-step explanation:

    (x + 3) (3x² + 8x + 9) = 3x³ + 8x² + 9x + 9x² + 24x + 27

    = 3x³ + 17x² + 33x + 27 Simplify like terms

    Α. 3x3 + 17x2 + 33x + 27

    Β. 3x3 + 17x2 - 15x + 27

    C. 3x2 + x2 + 33x + 27

    D. 3x3 + 17x2 + 33x - 27
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