Algebra-1

Question Analysis
This question tests the student's ability to apply the distributive property to multiply a monomial by a trinomial, which is a key skill in polynomial multiplication.

Key Concept Explanation
The distributive property states that each term in one polynomial must be multiplied by each term in the other polynomial. In this case, each term in the trinomial is multiplied by .

Step-by-step Solution
1. Distribute to each term inside the parentheses:

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