X 5 8x 9 July 8, 2019 16 32 64 128 X 5 8x 9x X 5 8x 9x 3 8ln x 5 )- 8x 9 Y 8ln x 5 )- 8x 9 F x )= x 5 8x 3 9x X 5 8x 3 9x 0 5 x 3 8x 9 Textrm - 4 x 5 8x 9x 3 X 9y 5 8x 4y 7 9 x 5 )= 8x 37 2 5 x 9 )+ 8x X 5 9x 3 8x 2 72 X 5 8 x plus 9 8x 9 X 5 9x 3 8x 2 72 0 X y 5 2 then 8x 9y