Simplify

5(14-2)²/2

2.5 * 144

To simplify the expression 5(14-2)²/2, we can follow the order of operations (also known as PEMDAS).

1. Start by simplifying the expression inside the parentheses: 14-2 = 12.
Now, the expression becomes 5(12)²/2.

2. Next, square the value inside the parentheses: 12² = 144.
The expression becomes 5(144)/2.

3. Multiply 5 by 144: 5 * 144 = 720.
The expression becomes 720/2.

4. Divide 720 by 2: 720/2 = 360.

Therefore, the simplified form of the expression 5(14-2)²/2 is 360.