2 x 2 x 1 2 x 2 960 2 x 3 July 8, 2019 16 32 64 128 2 ^ (x + 2) - 2 ^ x = 96 2 - 2 x 9 + 9 2-2x9+9 = 2 2 x + 2 − 9 ⋅ 2 x + 2 + 32 2 x + 3 − 2 2 x ≤ 3 2 x
