X 3 4x 2 6x 5 0 July 8, 2019 16 32 64 128 Roots of the cubic equation x 3 4x 2 6x 5 0 X 4 4x 3 6x 2 4x 5 0 − 6x 5 − x 4 24x 3 4x 2 0
