8x 5 2x 6 x 4 July 8, 2019 16 32 64 128 X 5 2x 6 3x 4 8x 4x 3 8x 4 x 3 )- 3 2x 5 )- 6 4 5 (8x + 20) = 6 (6x + 15)
