2x 4 3 2x 1 3 x 5 July 8, 2019 16 32 64 128 3 x 5 )= 2x 4 3 1 2x )/ 6 4 3 2x 1 )+ 4 3x 5 )+ x 2x 3 3x 4 (- 2x 1 )= 3 x 5 )+ 2 2x 7 )- 3
