Factor 8a-28 using gcf

1 answer

To factor 8a-28 using the greatest common factor (GCF), we first need to find the GCF of the numbers 8 and 28.

The factors of 8 are 1, 2, 4, and 8.
The factors of 28 are 1, 2, 4, 7, 14, and 28.

Therefore, the GCF of 8 and 28 is 4.

Now, we can factor out the GCF from 8a-28:

8a-28 = 4(2a-7).

Hence, 8a-28 can be factored as 4(2a-7).

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