X 1 2 0 4 July 8, 2019 16 32 64 128 X 1 2 49 0 X 1 2 4x 0 X 1 2 3x 4 0 X 1 2 3 4 0 X 3 5 1 2 0 4 X 6x 1 2 4 0 X 5x 1 2 4 0 X 1 0 4x 2 5 1 x 2 0 9 5 4 Х 1 0 4х 2 5 1 х 2 0 9 5 4 1 x 2 6 x 40 0 X 1 2 )( 6 x )( x 4 0 X 4 x 2 1 0 solution X 4 10x 2 1 0