9 x 6 4x July 8, 2019 16 32 64 128 9x 9 4x 6 Y x 9 y =- 4x 6 7 x 6 )= 4x 9 X 9 6 4x )+ 4 0 4x 9 9x 6 4x 16 4x 9 - 9x 6 4x 3 12 8x 9 x 6 4x 9 2x 6 x 4x 1 9 5 x 4x1 6 1.5 x 9 4x 6 4x 9 x 6 then 16x3 2 9 x 4 )- 2 (- 4x 6 2 x 9 )= 4x 6