2 5x 4 July 8, 2019 16 32 64 128 2 5x 4 0 2 5x 4 6 2 5x 42 2 5x 4 5 2 5x 4 3 2 5x 4 7 2 5x 4 3x 2 5x 4 8 2 5x 4 x 2 5x 4 8x 2 5x 4 1 2 5x 4y 2 5x 4 6x 2 5x 4 9 2 5x 4 )= 28
