For this case we have the following expression: (5c ^ 2-15c ^ 3) / (20c ^ 2d + 25c ^ 2) We make common factor c ^ 2: (c ^ 2 (5-15c)) / (c ^ 2 (20d + 25)) We do common factor 5: (5c ^ 2 (1-3c)) / (5c ^ 2 (4d + 5)) Canceling similar terms we have: (1-3c) / (4d + 5) Answer: The simplified expression is given by: (1-3c) / (4d + 5)