2x 7 10 3 July 8, 2019 16 32 64 128 2x 7 10 3 x 2 2x 7 3x 10 2x 3y 7 15x 3y 10 27 =( 2x 7 10 3 5 2x 3 5 7 10 7 2x 10 )=- 35 2x 10 7 3x 6 7 2x 3 10 5 x 4 7 2x 3x 10 5x 2x 7 x 3 10 7 2x 4 )-( 10 3x 10 2x 7 3 57 3x 7 2x 3 10 21 3x 4 2x 10 )- 7 3 2x 7 3x 12 10