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. Start with the expression:
2. Distribute each term in the binomial: