Algebra-1

Question Analysis
This question tests the ability to remove parentheses and identify all terms in an algebraic expression, focusing on the sign changes when removing parentheses.

Key Concept Explanation
When removing parentheses, if the sign before the parenthesis is positive, the signs inside the parenthesis remain unchanged. If it is negative, all signs inside the parenthesis are reversed.

Step-by-step Solution
1. Start with the given algebraic expression:
2. Remove the first set of parentheses:
3. Remove the second set of parentheses, reversing the signs:

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