3x 2 )( 2x 9 )-( x 2 )( 6x 1 July 8, 2019 16 32 64 128 3x 2 )( 2x 9 )-( x 2 )( 6x 1 )= 7 3x 2 )( 2x 9 )-( x 2 )( 6x 1 )=( x 1 )-( x 6 2x 4x 2 6x 2 9 1 x 3x 2x 2 10x 28 )/( x 2 6x 9 3x 9 )/( 2x 14 2x 9 (3x - 9x ^ 2)/(x ^ 2 + 6x + 9) / ((1 - 9x ^ 2)/(x ^ 2 - 9)) при x = 1
