4 x 1 )- 2 x 3 )= 17 July 8, 2019 16 32 64 128 4 2x 1 )+ 4x 3 − 17 X 3 x 2 1 x x 17 4 by factorisation 2 3 x 12 17 x 1 4 2 3 x 12 17 x 1 4 as a fraction 11 1 2 x 17 1 4 x 3 8