Algebra-2

Question Analysis
This question tests the student's ability to combine like terms in a polynomial expression, which is a fundamental skill in algebra.

Key Concept Explanation
Combining like terms involves grouping and adding the coefficients of terms with the same variable and exponent. This simplifies the expression and makes it easier to work with.

Step-by-step Solution
1. Group like terms:
2. Combine the coefficients:

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