2x 4 5x 8 2 July 8, 2019 16 32 64 128 2x 4 5x 8 24 2x 5x 4 3 2x 8 2x 3 3x 4 5x 2 4x 8 15 6 2x 4 )= 8 2 5x 1 1 2x 4 2 1 5x 8 3 2x 4 )- 5x 2 =- 8 5x 8 2.5 2x 4 5x 4 2x 2 8 in quadratic form 2x 4 ≤ 5x 8 ≤ 2x 14 2x 4y 8 5x 2y =- 4 5x 2 8 2x 4 in standard form 8 4 (- 2x 3 )= 4 5x 26 8 2x 2x 3x 4 )+ 5x 3 x