Algebra-1

Question Analysis
This question tests the student's ability to subtract polynomials, focusing on changing the signs of the terms in the subtrahend 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. Only like terms can be combined.

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

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