Sounds like you need to strengthen your "elementary algebra". That is the term you're looking for because "fundamental algebra" can mean many different things d

Sounds like you need to strengthen your "elementary algebra". That is the term you're looking for because "fundamental algebra" can mean many different things depeding on the context(for example, "abstract algebra" or "universal algebra"). Check Amazon for books titled "elementary algebra". There will be a lot of titles to choose from. Choose the one you like and study. Or just google "elementary algebra pdf". There should be a lot free resources there as well. Just stick to books with modern fonts for reasons I don't feel like detailing right now. Another kind of book that might be helpful is the kind written for engineering students in your situation. For example, check out "Engineering Math by Stroud & Booth [0]. [0] https://www.google.com/books/edition/Engineering_Mathematics/FZncL-xB8dEC?hl=en&gbpv=1 https://www.google.com/books/edition/Engineering_Mathematics...