Related Post: 5x 2x 1 0 5 2x 1 0 5x 2 2x 1 0 5x 2 2x 1 0 Quadratic Formula X 5 )( 2x 1 )= 0 5 1.5 2x 1 0.5 5x 1 2x 8 0 X 2 5 2x 1 0 2x 5 2 1 0 Solve X 5 )( 2x 1 )= 0