X 7 x 4 ix 3 1 0 July 8, 2019 16 32 64 128 X 7 x 4 x 3 1 0 Solve x 7 x 4 x 3 1 0 8 solve x 7 )+ x 4 )+ x 3 )+ 1 0 X 3 x 4 7 1 x 6 0 7 x 0 7 x 1 7 x 2 7 x 3 7 x 4 70
