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6 February, 23:16

What is the product of the polynomials below?

(4x3 + 2x2 + 3x + 4) (4x + 4)

A. 16x4 + 24x3 + 20x2 - 28x - 16

B. 16x4 + 24x3 + 20x2 + 28x + 16

C. 16x4 + 8x3 + 4x2 + 4x + 16

D. 16x4 + 16x3 - 4x2 + 28x + 16

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Answers (2)
  1. 6 February, 23:31
    0
    B is the. correct answer
  2. 6 February, 23:40
    0
    Hello:

    (4x3 + 2x2 + 3x + 4) (4x + 4) = 16x4 + 16x3 + 8x3+8x2 + 12x2+12x+16x+16

    = 16x4 + 24x3 + 20x2 + 28x + 16 ... (answer: B)
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