X 9 7x 3 July 8, 2019 16 32 64 128 X 9 7x 3 19 6 5x 2 X 2 7x 9 3 X 3 7x 9 0 X 9 7x 3 x 4 in standard form 9 x 2 7x 30 X 15 7x =- 9 3x 9 x 3 )+ 3x 7x 43 X − 9 7x 3 x 7 X 3 8x 9 7x 4 X 1 5x 6 11 9 7x 3 7x 8 x 9 )=- 3 X 9 − 7x 3 − x 4 X 3 7x 9 10 9 x 4 )- 7x 5 3x 2