# Precalculus Examples

Step 1
Factor using the AC method.
Step 1.1
Consider the form . Find a pair of integers whose product is and whose sum is . In this case, whose product is and whose sum is .
Step 1.2
Write the factored form using these integers.
Step 2
Reduce the expression by cancelling the common factors.
Step 2.1
Cancel the common factor.
Step 2.2
Rewrite the expression.