4x 2 9 =( 3 2x )( x 2 July 8, 2019 16 32 64 128 2x 5 4x 3 2 x 2 9 4x 2 9 )-( x 2 )( 3 2x )= 0 2x 7 4 2x 4x 9 3 x 2 2x 3 x 5 then 4x 2 9 x 2 X 3 21 2 4x 9 2x 3 4x 3 2x 2x 2 8 )+( 2x 3 x 2 9 4x 3 2x 2 6x 9 x 4 3x 2 6x 4 3 x 2x 2 )( 9 x 2 4x 4 6x 7x 2 )( 2x 3 5 )( x 2 4x 9 9 4x 3 2 4 x 2 2x 1 X 2 6x 6 x 2 4x 9 2x 3
