3a+6b

The expression \(3a + 6b\) can be simplified in a couple of ways, depending on what you are looking to do with it: 1. **Factoring**: You can factor out the greatest common factor. In this case, both terms have a common factor of 3. \[ 3a + 6b = 3(a + 2b) \] 2. **Evaluating for specific values**: If you need to evaluate this expression for specific values of \(a\) and \(b\), you can simply substitute those values in. If you have a specific question or context regarding this expression, please provide more details!