combine like terms 3(x + 2) + 6
To combine like terms, multiply the 3 by each term inside the parentheses:
3(x + 2) + 6 = 3x + 6 + 6.
Now, combine the constants:
3x + 6 + 6 = 3x + 12.
So, the expression 3(x + 2) + 6 can be simplified to 3x + 12.