The equations below are the types of equations that you will need to be able to solve automatically in a later course. Try to solve these in 10 minutes or less. The solutions are provided after problem 12‑46 for you to check your answers.
to both sides.
is a perfect square, and there are two answers. or
Distribute before simplifying.
Multiply by the denominator.
Set equal to zero, then factor.
Which numbers make this true?