8x2 12 0 July 8, 2019 16 32 64 128 X4 8x2 12 0 8x2 20x 12 0 4x4 8x2 12 0 X3 8x2 19x 12 0 X4 8x2 x 12 0 8x2 12x 12 0 8x2 22x 12 0 X 2 8 12 0 8 1/2 x 12 8 1/2 x2 2^x + 8^x = 130