11
AssignmentMultiple Choice

Multiplication of Polynomials

Question 11 • [INMT3] Integrated Math 3 Sem 1 (26-27)

Multiply.(x4 + 1)(3x2 + 9x + 2)

Answer
A
x4 + 3x2 + 9x + 3
B
3x6 + 9x5 + 2x4 + 3x2 + 9x + 2
C
3x7 + 9x6 + 2x5
D
3x8 + 9x4 + 2x4 + 3x2 + 9x + 2

Explanation

Distribute each term in x⁴ + 1 across 3x² + 9x + 2. Multiplying by x⁴ gives 3x⁶ + 9x⁵ + 2x⁴, and multiplying by 1 gives 3x² + 9x + 2. Together, these terms match choice B.

AI-written and checked against the verified answer.

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