Question 1083283
1-7-21-35-35-21-7-1 
(2^7+7*2^6*I+21*2^5*i^2+35*2^4*i^3+35*2^3*i^4*+21*2^2*i^5+7*2*i^6*i^7/////i^2=-1;i^3=-i, i^4=1
128+448i-672-560i+280+84i-14-i
-278+532i-561i=
-278-29i ANSWER