What is the simplified form of the expression?

5(14−2)2/2

72
360
30

30

To simplify the expression 5(14−2)2/2, we can follow the order of operations, which is parentheses first, then exponents, then multiplication and division from left to right, and finally addition and subtraction from left to right.

First, let's simplify the expression within the parentheses:
14 - 2 = 12

Now, we substitute this result back into the expression:
5(12)2/2

Next, let's simplify the exponent:
12^2 = 144

Our expression becomes:
5(144)/2

Now, let's simplify the multiplication:
5 * 144 = 720

Finally, let's simplify the division:
720 / 2 = 360

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