2 4x 3 0 5 July 8, 2019 16 32 64 128 5x 2 4x 3 0 5x 2 4x 3 0 by completing square method X 2 4x 3 2x 5 0 2 4x 5 )+ 3 (- 2x 5 )= 0 2 3 4x 0 16 * 5 3 4x 2x 3 5x 2 4x 3 0 5x 2 )( 4x 3 ≤ 0 4x 3 19x 2 5x 0 3 x 2 4x 5 0 X 3 4x 2 5x 0 2x 3 3x 2 4x 5 0 4x 3 5x 2 4x 5 0 1 4x 3 2 0 5x 2 6 11 12x 2 3 =- 0 5 3 4x 3x 4 4x 3 12x 2 5 0
