The Schaum's Outline Series is good. It's also inexpensive being a paperback.
Go to a used book store, or search for used books online. Buy at least 3 different
texts
Greenspan and Benny is good, but hard. It's the kind of book that you
appreciate years later.
Go to a used book store, or search for used books online. Buy at least 3 different
texts.
The hardest thing is actually doing the work. if you can adopt the attitude that to
read a math book requires rewriting substantial parts of it, filling the missing parts in,
then you will get the idea.
Many people make the mistake of thinking that they can read the book like a text book
from another class.
Also, get in the habit of doing math every day.
The reason I say all of this is that your education is like a building and the entry level
courses we take in college are the foundation stones of the building. If you work really
hard at this phase, then your last years will be way easier.