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