Hi there!
We can see this by writing the factors as multipliers. We get the following:
Now we can see that the terms that are in common are 3 and a, and therefore we can bring those outside the parenthesis.
We can see this by writing the factors as multipliers. We get the following:
Now we can see that the terms that are in common are 3 and a, and therefore we can bring those outside the parenthesis.