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Multiply the polynomials.

(x + 1)(4x2 + 7x + 6)

A. 8x3 + 11x2 + 13x + 6
B. 4x3 + 11x2 + 13x + 6
C. 4x3 + 7x2 + 13x + 6
D. 4x3 + 11x2 + 13x – 6

2 Answers

2 votes

B.

4x3 + 11x2 + 13x + 6

User Constructor
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(x + 1)( {4x}^(2) + 7x + 6) \\ = {4x}^(3) + {7x}^(2) + 6x + {4x}^(2) + 7x + 6 \\ = {4x}^(3) + {11x}^(2) + 13x + 6 \\

The answer is B.

Hope this helps. - M
User Mohamed Emad Hegab
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