0 2 x 8 5 July 8, 2019 16 32 64 128 0 x 2 5x 8 0 =- 0.5 x 2 5x 8 0 3 2 5 x 5 8 0 3 x 2 8 1 5x 2 4 x 0 8 5 4 2 x 8 0 x 5 6 X 2 5x 8 0 discriminant 0 2 2 5 6 x 8 Xy 4 0 x 2 y 2 8 5 5 x 1 )- 2 x 8 )= 0 X 3 5x 2 2x 8 0 F x )= 8 0 5x 2 0 8 x 3 2 )= 56 0 5 x 2 9 x 8 0 8 x 1 6 2 5