# 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

Step 3.1

Cancel the common factor.

Step 3.2

Rewrite the expression.

Step 1

Rewrite as .

Step 2

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

Step 3

Step 3.1

Cancel the common factor.

Step 3.2

Rewrite the expression.

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