Related Post: 2 3 X 1 25 3 (- 2x 1 )+ X 2 25 1 3 X 250 1 2 X 250 X 1 4 X 2 3 25 6 X 3 2 Y 1 2 25 15 3 8 X 25 1 2 Furnace Filter Frost King Size 3 X 1 2 X 25 2 1 3 7 8 X 6 25 Simplify 25 3 2 X 625 )- 1 4 2 3 X 25 )= 1 6