4x 7 2x =- 3 x 1 )- 1 July 8, 2019 16 32 64 128 2x 7 )( x 1 )+ 3 4x 1 )( 4x 1 )= 2 5x 2 2 53 2x 3 7 12 x 4 1 5 4x 5 13 4x 5 )( 2x 3 )- 4 x 2 )( 2x 1 )+( 10x 7 4 7x-1 8=3 2+2 2x 2x 7
