2c 2 6c 4 July 8, 2019 16 32 64 128 2c 2 6c 4 )+( 5c 2 7 6c 2 2c 4 c in standard form 6c 2 2c 4 0 3c 2 )( c 2 6c 4 )= $2 c 4 6c 3 12c 2 36c 2 6 c
