8 x 6 )- 10 r 3 x 12 ) 5x July 8, 2019 16 32 64 128 8 x 6 )- 10 r 3 x 12 )+ 5x $8 left x 6 right )- 10 r 3 left x 12 right )+ 5x 8 5 x 12 8 6 12 x x + ⋅− − при x = − 4