Algebra-1

Question Analysis
This question tests the student's ability to subtract polynomials, focusing on the process of changing signs and combining like terms.

Key Concept Explanation
To subtract polynomials, change the sign of each term in the polynomial being subtracted and then combine like terms.

Step-by-step Solution
1. Start with the given expression:
2. Change the signs of the terms in the second polynomial:
3. Combine like terms:
For terms:

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