4 x 5x2 x 4 0 July 8, 2019 16 32 64 128 3 4 x 0 2 x 4 5 x 5 4 x 4 x 3 ( 4 2 5 x 0 1 4 x 4 1 x )+ 5 2 x )= 0 2 5 x 0 4 25 x 4 x 4 mũ x 5 x 2 mũ x 4 0