3c 1 )( c 2 July 8, 2019 16 32 64 128 C 3c 1 )+ 2c c 3 2 4 3c c 1 3 3 3c 5 )+ 1 2 c 20 C 1 )( c2 3c 2 3 c 1 )- 2 3c 5 3c 21 1 2 c 7 3c 8 3 1 2 c 4 3c 2 c 1 in a verbal expression 2c 1 )( c 2 3c 11 (- 3c 2 c 1 )(- 5c 6 8c 2 4c 1 3c 2 c 5