2 6x 1 4 7x − 3 July 8, 2019 16 32 64 128 6x 4 7x 3 15x 2 7x 1 0 3 7x 2 5y 1 6x 4 8y 1 2 6x 4 )- 2 7x 3 )=- 29 2x 3 3 6x 1 2 6 4 7x 3 6x 4 7x 2 6x 1 2x 3 2x 1 )( 3x 2 )- 6x x 1 )- 7x 4 2x 7
