5x x 3 9 July 8, 2019 16 32 64 128 5x 2 x 3 =- 9 4 5x 7 3 x 9 5x 9 x 3 4 0 X 3 9x 5x 2 45 X 3 5x 9x 45 X 3 5x 2 9x 5 5x 9 5 x 3 X x 1 5x 3 x 9 0 Y x 3 9 5x 2 28x 14 X 3 5x 2 3x 9 2 x 3 )+ 5x ≤ 9x 14 5x 0 9 3 x 1 5 5x 2 x 3 )= 9 5x 3 x 2x 9 5x x 3 )- x 2 9 0