F x 4x 2 25x 41

F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41
F x 4x 2 25x 41. 2x^2-x-1=x^2-5x-(-1-x^2). x2+25x.