5x 11 4 x 1 July 8, 2019 16 32 64 128 11 5x - 4 4x 13 - 11 5x 11 4x 18 5x 11 x 1 )( x2 4 5x 3 4x 4 x 11 180 5x 11 0 4 x 1 11x 1 1 2 2 5x 1 )= 4 x 11 4x-5 11 5 x 4/11