Related Post: 2x 4 X 2 0 2x 4 4x 2 0 2x 4 X 2 3 0 2x 4 X 2 15 0 2x 4 4x 2 1 0 4 X 2 0 3 2x 1 )- 4 X 2 )= 0 2x 4 0 X 2 5 2x 2 X 4 0 By Factorisation 2x 2 X 4 0 Quadratic Formula