2x 4 5 x 1 )- 3 x 2 July 8, 2019 16 32 64 128 2x 5 x 1 2x 3 x 4 X 4 )( 2x 1 x 5 )( x 3 ) + 3x 2 2x 3 5 x 1 4 5x 1 20 3 x 2x 4 )( 1 5x 3 )( x 2 4 )= 0 3 2x 4 )( x 1 )- 4 x 3 )( 5x 2 2x 1 x 4 2x 5 x 3 0 3 2x 4 )= 5 x 1 )- 20 4 2x 1 )- 2 x 5 )= 5 x 1 )+ 3 verify 2x x 4 2x 5 x 3 8 1 3 2 x 3 )- 4 x 1 )+ 3 x 5 )= 2x 20
