X 2 3 5x 4x 9 July 8, 2019 16 32 64 128 5x 2 x 3 )= 3x − 9 4x 4x 2 9x 1 )+( x 2 5x 3 5x 18 x 9 2 3 4x X 3 2 5x x 1 )- 9 4x 2
