Factor 8a -28 using gcf

1 answer

To factor the expression \( 8a - 28 \) using the greatest common factor (GCF), we first need to identify the GCF of the coefficients in the expression.

The coefficients are 8 and -28. The GCF of 8 and 28 is 4.

Now, we can factor out the GCF from the expression:

\[ 8a - 28 = 4(2a - 7) \]

So, the factored form of \( 8a - 28 \) is \( 4(2a - 7) \).

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