Answer: 2(6a + 5)
Step-by-step explanation:
First, find the Greatest Common Factor. Start by listing out the factors of each term.
12a: 2*2*3*a
10: 2*5
The only factor they share is 2, so that is the Greatest Common Factor. Now, remove that from the factor lists.
2*3*a = 6a
5 = 5
Now, just put it all together.
2(6a + 5)
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