1) 9a + 12b / 3 = 3 (3a + 4b) / 3 = 3a + 4b2) 45c + 18d / 27d = 9 (5c + 2) / 9 3d = 5c + 2 / 3d3) 5x - xy / x = x (5 - y) / x = 5 - y4) 6mn - 4m / 2m = 2m * (3n - 2) / 2m = 3n - 2
1) 9a + 12b / 3 = 3 (3a + 4b) / 3 = 3a + 4b
2) 45c + 18d / 27d = 9 (5c + 2) / 9 3d = 5c + 2 / 3d
3) 5x - xy / x = x (5 - y) / x = 5 - y
4) 6mn - 4m / 2m = 2m * (3n - 2) / 2m = 3n - 2