Algebra-1

Question Analysis
This question involves expanding a factored cubic polynomial to find the coefficient of the term. The focus is on polynomial multiplication and combining like terms.

Key Concept Explanation
To expand a product of three binomials, first multiply two binomials, then multiply the result by the third. The coefficient of comes from combining all terms with after multiplication.

Step-by-step Solution
1. First multiply .
2. Multiply by :

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