2 1 6x 2 9 1 6x ) 2 July 8, 2019 16 32 64 128 2 1 6x 2 9 1 6x )+ 2 2 6+2x=1 9x+6 6 6x2 + 9x − 1 = ( 2x + 1)( 2x − 1 )
