2 12 8x )= 4x 3 July 8, 2019 16 32 64 128 12 2 4x 8 3 8x 19 4 8 4x 12 8x 3x 2 2 4x 8x )- 12 6x 3 4 4x 2 8x 12 x 3 simplify X 8x 12 3 4x 2 1 2 8x 12 )= 3 4 4x 8 2^x + 8^x = 130