3 5 x 2 25x 10 5 0 July 8, 2019 16 32 64 128 3 sqrt 5 ⋅ x 2 )+ 25x 10 sqrt 5 )= 0 3 5+0 25x 2x 3 5+0 25(x+1) 2x 3×25^x+0 5 3 5 x 25
