4 x 5 8 2 7 16 July 8, 2019 16 32 64 128 4 16 8 * 2 7 *( x 5 )+ 11 4 5/8 x 2 8 4 × (-5 7) 4 5/8 x 16 (4 5-x)×5 8=8 7
