X 3 )( x 4 x 2 7x 12 July 8, 2019 16 32 64 128 3 x 4 2 x 3 8 x 2 7x 12 The identity x 3 )( x 4 )= x2 7x 12 is true for 4x x 5 )- 7x x 4 )+ 3x 2 12
