This question seems to me to be an exercise in applying the rule for a difference of squares in order to rewrite the difference of two relatively large numbers as the "simpler" product of other integers.
Answer: 4 to the 9th power. This is the answer to the picture. I used the app "Photomath"
Hope this helps :)
I believe that the equation has X to the 2 power meaning that the answer for X is...
X= 10, and -10
I am not really sure but I think the answer is B