27 x 3 2x 1 July 8, 2019 16 32 64 128 3 2x 12 3 x )+ 27 0 F x )= 27 2x 1 3 3 2x )- 12 ⋅ 3 x )+ 27 0 27 x 2 9 x 1 3 2x X 3 27 2x 12 27 2x 3 =( 1 3 x 2 2 3 2x 12.3 x 27 0 27 2x 7 x 3 x 1 Solve for x 3 2x 1 27 27 x 1 9 2x 3 X 2 3 2x 27 16 0 27 x 9 2x 1 3 x 4 3 2x 2 27 x 1 36 Tìm x 2x 1 /- 27 =- 3 2x 1 3 5 x 5 3 2x 125 27