5 6 x 4 25 July 8, 2019 16 32 64 128 25 x 4 5 (- 6 3 25 5 6 x 12 4 25 5 6 x 2 − 4 3 2 x+ 4 5 )= 6 25 6 5 x 4 5 5 0 25
