Rewrite as .

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

Reorder terms.

Cancel the common factor.

Divide by .

Simplify (x^2-81)/(9+x)

Skip to content
# Simplify (x^2-81)/(9+x)

Rewrite as .

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

Reorder terms.

Cancel the common factor.

Divide by .

Simplify (x^2-81)/(9+x)