Algebra-1

Question Analysis
This question tests the ability to factor a polynomial by identifying and factoring out the greatest common factor (GCF).

Key Concept Explanation
Factoring polynomials involves expressing a polynomial as a product of its factors. The GCF is the largest expression that divides evenly into each term of the polynomial.

Step-by-step Solution
1. Identify the GCF of the terms and .
2. The GCF of the coefficients 10 and 15 is 5, and the GCF of the variable parts and is . Thus, the GCF is

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