X 1 )( 2x 5 )( 3x 4 )( x 1 July 8, 2019 16 32 64 128 3x 1 x 1 2x 5 x 3 1 4 /( x 1 )( x 3 Factoriser x 1 )( 2x 5 )-( x 1 )( 3x 4
