2 5x 10 25 July 8, 2019 16 32 64 128 5x 2 25x 10 5x 2 25x 10 0 5x 3 2x 2 25x 10 3 5x 2 25x 10 5 0 5x 10 25x 2 50 5x 10 25x 2 50x 2 5-2x =10