2(5-4)

2(5-4) = 2(1) = 2

To simplify the expression 2(5-4), follow the order of operations, which is also known as PEMDAS (Parentheses, Exponents, Multiplication and Division from left to right, Addition and Subtraction from left to right):

Step 1: Simplify the parentheses.
Inside the parentheses, there is only one operation, which is subtraction. So, 5 - 4 equals 1.

Step 2: Multiply.
Multiply 2 by the result of the simplified parentheses, which is 1.
2 * 1 equals 2.

Therefore, 2(5-4) simplifies to 2.