Home > GC > Chapter Ch12 > Lesson 12.1.1 > Problem 12-7
12-7.
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
Add
to both sides.
Remember that
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?
or