2.) 4
4.) 20
6.) 200
you are just going to have to show your answer
100. 10 times 10 is 100. 25 times 4 is 100, and 4 times 25 is 100.
The answer is false.
Counterexample:
If a = 4 and b = 2
(4 - 2)^2 = 4
4^2 - 2^2 = 12
Since these answers are not the same this equation is false.