Algebra-1

Question Analysis
This question tests the ability to factor a multivariable polynomial using the grouping method, which is a key skill in Algebra-1.

Key Concept Explanation
Factoring by grouping involves dividing the polynomial into groups, extracting the greatest common factor (GCF) from each group, and then factoring out the common binomial factor.

Step-by-step Solution
1. Group the polynomial as .
2. Extract the GCF from the first group: .
3. Extract the GCF from the second group: .
4. Factor out the common binomial factor :

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