Algebra-1

Question Analysis
This question tests the student's ability to multiply a binomial by a trinomial and simplify the resulting polynomial. It aligns with the Algebra-1 curriculum on polynomial multiplication.

Key Concept Explanation
To multiply a binomial by a trinomial, use the distributive property to multiply each term in the binomial by each term in the trinomial, then combine like terms.

Step-by-step Solution
1. Distribute the first term of the binomial (2a) to each term in the trinomial:

2. Distribute the second term of the binomial (3) to each term in the trinomial:

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