We went through the review packet for the test.
One thing to watch for was to only combine like terms, so either numbers or variables with the same exponent.
We saw the difference of perfect cubes more than once, which has a corresponding formula.
You can always multiply by different forms of one to do things like getting a common denominator. Something divided by itself is one.
Need to be careful with parentheses and notation to make the work easy to follow and check.
If the denominators of two equal fractions are equal then the numerators will also be equal, that can save a few steps.
Usually quadratic functions have two solutions, sometimes they have one or none.