3 2x 2 5 1 3x 1 4 July 8, 2019 16 32 64 128 5 6 1 2x 2 3 )= 3x 2 1 4 2 5 1 2 1 2x )- 3 5 1 3x 10 3 )=- 1 4 3 x 2 )+ 9 x 1 )+ 5 1 2x )+ 2 3x 4 2x 3 x 2 3x 1 căn x 5 x 4 1 2(3x+5)-3(4x-1)=11 8
