In factoring out the greatest common factor, we must first find the greatest common factor. So what we’re going to do is we’re going to write down each term of this expression. So we have 12x cubed; ...
In factoring out the greatest common factor as an expression, we would do the same thing as if we had some regular terms there. So, our terms are simply just 5 times x minus 3 and y times x minus 3.