10x 5 9x 4 July 8, 2019 16 32 64 128 10x 5 9x 4 x 5 4x 9x 8 10x 7 10x 30 9x 4 x 5 3 9x 5 )(- 4x 8 10x 2 10 + 5(9x - 9) −5 + 9x = 10x + 4
