X 2 2x x 5 )- 3 0 July 8, 2019 16 32 64 128 X 2 2x 3 /( x 7 )( x 5 0 X 3 x 2 2x 1 5 0 X x 2 2x 1 5 2x 3 )( x 3 4 0 X 5 x 4 2x 3 2x 2 3x 3 0 X 2 )( x 5 2 3 2x 4 )= 0 9 x 2 x 5 3 x 9 2x 1 0 3 * 9 x 2 * 15 x 5 2x 1 0 X 2 9 x 3 5 2x 0 25 x 2 3 x 5 x 2x 7 0 Tìm x 2x 3 2 x 5 2 0 Tìm x biết x 2 3 5 2x 3 0