# Precalculus Examples

Step 1

Rewrite as .

Step 2

Since both terms are perfect squares, factor using the difference of squares formula, where and .

Step 3

If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .

Step 4

Step 4.1

Set equal to .

Step 4.2

Subtract from both sides of the equation.

Step 5

Step 5.1

Set equal to .

Step 5.2

Add to both sides of the equation.

Step 6

The final solution is all the values that make true.