1 2x 4 4x 5 July 8, 2019 16 32 64 128 2x 1 4 5 4x 12 2x 1 4 3x )= 1 5 4x 1 2x 3 x 3 4 2 4x 5 4 5 2x 1 )=- 3 4x 5 5 x 1 )- 3 2x 4 )= 4x 7 1 4x 1 2x 2 )(- 4 5x 3 12x 4 (- 4x 5 )=- 1 12x 4 4x 5 =- 7 2x 1 5x 4 4x X 3 1 2x 3 4 4x 5 5 1 2x )- 3 4 4x )= 0 2 x 1 40 2x 1 4 4x 5 8 6x 5 2x 4 4x 1 1 4x 18 3 4 2x 5 5 2x 4 )= 4x 2 1 3x