1 2 x 12x 5 July 8, 2019 16 32 64 128 1 2 12x 4 )-( x 5 X 2 5 12x 1 24 Factorise x 2 5 12x 1 24 12x 2 /( 3p 1 x 5 3 X 2 3 =- 1 12x 4 5 1/2 x 5 x 12 1/2 x 12 5 12 x 5