2x 9 4x 7 x 3 July 8, 2019 16 32 64 128 8 4x 7 )+ 6 2x 9 при x 3 2x 3y z 9 4x y 7 x 3y 7z 6 2x 7 4 2x 4x 9 3 x 2 4x 2 9 =( x 7 )( 2x 3 2x 7 2x 9
