Algebra-1

Question Analysis
This question tests the student's ability to expand a binomial squared with subtraction, ensuring they correctly apply the formula and handle the coefficients.

Key Concept Explanation
The formula for a binomial squared with subtraction is . Here, the terms involve coefficients, which must be handled carefully.

Step-by-step Solution
1. Identify the terms: and .
2. Apply the formula:
3. Simplify each term:

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