x;y;z are posible integers such that x>y>z 663 and x;y;z satisfy x+y+z=1998 and 2x+3y+4z=5992. find x,y ans z
given that
A = x2016 - 10x2015 + 10x2014 - 10x2013 +...+10x2 - 10x + 2026
evaluate A at x = 9
A=?
