Expand the following expression. 9/4 (3x + 3/4)

To expand the expression 9/4 (3x + 3/4), we distribute the 9/4 to both terms inside the parentheses:

9/4 * 3x + 9/4 * 3/4

Simplifying, we have:

27x/4 + 27/16

So, the expanded expression is 27x/4 + 27/16.