Since 3a is common to both factors, hence the GCF of the expressions is 3a
Greatest common factor
This is the greatest value that can divide the given values without leaving remainder.
Given the following expressions 12a and 9a^2
Find the factors
12a = 3 * 4 * a
9a^2 = 3 * 3 * a * a
Since 3a is common to both factors, hence the GCF of the expressions is 3a
Learn more on GCF here: https://brainly.com/question/219464
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