3n 6 3 2n 2 4 July 8, 2019 16 32 64 128 (3n+6) cdot 3(2n+2) cdot 4 = 3n 6 ⋅ 3 2n 2 ⋅ 4 3n 6 x 3 2n 2 x 4 3n - 6
