3 2x 1 4 5 7 2x 5 4 July 8, 2019 16 32 64 128 3 4 7 2x 20 )- 5 4 1 2x 4 5 2 ⋅ ( 7 x − 1 2 ) = ( 5 + 4 3 x ) ⋅ 4
