3х+6

The expression \(3x + 6\) can be simplified or factored.

To factor the expression, you can take out the common factor:

\[ 3x + 6 = 3(x + 2) \]

If you have a specific question or a problem related to this expression (like solving for \(x\) or evaluating for a particular value of \(x\)), please let me know!