7
QuizMultiple Choice

Multiplying Polynomials and Simplifying Expressions

Question 7 • FL-1200700-Mathematics for College Algebra MIS

What is the product of (3a + 2)(4a2 – 2a + 9)?

Answer
A
12a3 − 2a + 18
B
12a3 + 6a + 9
C
12a3 − 6a2 + 23a + 18
D
12a3 + 2a2 + 23a + 18

Explanation

Distribute each term: 3a(4a² − 2a + 9) + 2(4a² − 2a + 9) = 12a³ − 6a² + 27a + 8a² − 4a + 18. Combine like terms to get 12a³ + 2a² + 23a + 18, which is choice D.

AI-written and checked against the verified answer.

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