2x 2 5x 3 7x 2 x 4 July 8, 2019 16 32 64 128 2x 4 5x 3 7x 2 x 41 2x 2 5x 3 7x 4 9 5x 3 7x 2 26x )/( x 2 2x 4 6x 3 2x 2 x )( 5x 2 7x 4 5x 4 2x 3 7x 2 39 )/( x 2 2x 4 long division 7x 3 )( 2x 1 )-( 5x 2 )( x 4 )- 9x 2 17x A =( 5x 7 )( 2x 3 )-( 7x 2 )( x 4 tại x 1 2
