Why should you always avoid in formal writing?

In formal writing, it's essential to avoid informal language because it can undermine the seriousness and credibility of your work. Informal language may come across as unprofessional or disrespectful to the audience, diminishing the impact of your arguments. Additionally, maintaining a formal tone helps ensure clarity and precision, making it easier for readers to understand complex ideas. Overall, adhering to formal conventions enhances the effectiveness and persuasiveness of your writing.