2 5 x 12 3 4 July 8, 2019 16 32 64 128 X 1 2 5x 12 3 4 12 1 2 x 5 3 4 2 2x x 4 )+ 5 x 2 12 3 X 5 3x 3 4x 2 12 11 12 2 5 x 3 4 2 x 5 )- 9x 12 4 2x 3 2 12 x 3 5 4 6 x 81 12 x 2 )+ 5 3 4x 1 )+ 3 3 x 4 2 5 x 4 )= 12 factorise X 2 )/ 3 5 x 4 )/ 12 solution X 2 )/ 3 5 x 4 ))/ 12 answer 3 x 5 12 2 x 6 4