9 2 6 x ) 2x July 8, 2019 16 32 64 128 9 2 6 x )+ 2x 9 2 x )= 6 2x 1 3x 2 x 6 2x 9 13 X 6 9 2 2x 3 2x 9 4 x 2 6 3 For the data 2 9 x 6 2x 3 5 10 5 For the data 2 9 x 6 2x 3 4x 9 6 x 2x 7 2 9 2x 4 )= 6 x 2 2 x 6 )+ 3 2x 9 )= 10 Pt 9 x 6 x 2 2x 1 9 2 3x 6 2x 5 x Phương trình 9 x 6 x 2 2x 1 7 x 2 )+ 6 2x 9 9 3x 7 2 x 6 6 x 11 2x