5^2-81
= 25 - 81
= -56
To simplify the expression 5^2 - 81, we first need to calculate the value of 5^2 and then subtract 81.
Step 1: Calculate 5^2:
5^2 = 5 * 5 = 25
Step 2: Subtract 81 from 25:
25 - 81 = -56
Therefore, 5^2 - 81 = -56.
= -56
Step 1: Calculate 5^2:
5^2 = 5 * 5 = 25
Step 2: Subtract 81 from 25:
25 - 81 = -56
Therefore, 5^2 - 81 = -56.