4x 9 )( 2x 2 5x 3 July 8, 2019 16 32 64 128 5x 2 4x 9 )-( 2x 2 3x 1 4x 4 5x 2 7x 9 )/( 2x 3 4x 2 3x 9 )+( 2x 2 5x 9 X 2 5x 9 )+ 2x 4x 3 (3x+4)(2x−9)=6x 2 −9x+4