6 4x 5 6 2x July 8, 2019 16 32 64 128 4x 5 6 2x 2 3 4x 5 =- 6 2x 1 )+ 21 4x 5 6 2x 2.5 9 1 6 (- 4x 5 )= 6 2x 5 4x 5 6 2x 2.5 6 5 (- 4x 6 2x 6 4 6x 5x 6 2x 4x 5 6 1 4x =- 5 (- 6 5x 6 )- 2x 6xy - 4y + 6 - 9x
