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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

Respuesta :

prince28
B is the. correct answer
ghanami
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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