6x 2 4x 1 )= 7 July 8, 2019 16 32 64 128 6x 2 5x 4 )= 1 7 4x 3 (- 4x 2 6x 1 )+( 5x 7 4x 5y 2 6x 7y =- 1 4 4x 2 )+ 7 1 6x 2 6x 5 )- 7 3x 5 )= 4x 1 − 4x 2 6x 1 )+( 5x 7 answer 2x 7