2x 1 2 3 5 July 8, 2019 16 32 64 128 2x 1 2 =- 5 3 3x 1 2x 2 5x 3 2x 1 2 x 3 5 2x 1 )( x 2 5x 3 1 2x 4 2 5x 3 2x 1 3x 2 4x 3 5x 4 3 2x 1 )+ 2 1 5x )= 9 x X 1 2 2x 3 5x 6 2x 3 4x 1 )= 2 (- 5 5x 3 2x 1 2 5 2x 1 3 6x 2 5 3 2x 1 2 x 2 5 0 4x 2 4x 1 2x 2 5x 3 ≥ 0 2x 5 7 2x 1 2 3 1 2x 2 5x 3 0
