### Home > GC > Chapter 12 > 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