-9 to the 2nd power - (-6) to the 2nd power

So ...

-81 - 36 = -??

http://www.aaastudy.com/sub65_x3.htm

-9^2-(-6)^2= -81-36= ____

To simplify the expression -9^2 - (-6)^2, follow these steps:

Step 1: Evaluate each exponent first:
-9^2 = -9 * -9 = 81
(-6)^2 = -6 * -6 = 36

Step 2: Substitute the calculated values back into the expression:
81 - 36

Step 3: Perform the subtraction:
81 - 36 = 45

So, -9^2 - (-6)^2 is equal to 45.