Expand the expression . The expanded form is __________.
Answer & Analysis
Analysis
Question Analysis
This question tests the student's ability to expand and simplify a binomial squared with subtraction, where one term is a variable and the other is a constant.
Key Concept Explanation
The formula for a binomial squared with subtraction is . This formula is used to expand and simplify the given expression.
Step-by-step Solution
1. Start with the expression:
2. Apply the formula:
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