Factor the expression using GCF.
$18 a - 12$

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Solution

Given expression is $18 a - 12$
We will now find the G.C.F of $(18 a), (12)$ is
$18 a = 2 \times 3 \times 3 \times a 12 = 3 \times 2 \times 2$
The common prime factors are $2 \times 3 = 6$
so the G.C.F of $(18 a), (12)$ is $6$
Using the GCF to factor the expression
$18 a - 12 = 6 (3 a) - 6 (2) {R e w r i t e t h e e x p r e s s i o n} = 6 (3 a - 2) {D i s t r i b u t i v e p r o p e r t y}$
Final Answer: $6 (3 a - 2)$

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