3 x 1 (- 1 2x 5 )= 0 July 8, 2019 16 32 64 128 3 * 9 x 1 5 * 6 x 1 8 * 2 2x 0 2x 1 x 3 5x 1 6 2x x 5 0 3x 1 )(- 1 2x 5 )= 0 X 1 3x 1 2x 5 0 Tìm x biết 3x 1 )(- 1 2x 5 )= 0 3 x-5=x+3
