Related Post: 5 2 X 2 9 (- 5 2 2 X (- 9 6 5 X 2 2 9 21 2x 5 2 X 9 2 5 2 X 2 )+ 2x 4 9 3x X 5 2 X 2 )- 9 Solve 5 X 2 2 9 21 4 5 X 2 2 9 2 5 X 2 9 X 10 5 2 X 9 10 In Simplest Form