Yes it is so
I do not like this question much but I think this is what is meant.
-5*5 * -4*4 ..... -1*1
-25 * -16 * (by extension) -9*-4*-1 = - 25*16*9*4*1 = -14400
If you had looked properly at guest's answer maybe you could have found their little error. 
