# Finite Math Examples

,

Distribute the value across the operation.

Replace the variable with in the expression.

Simplify the result.

Remove parentheses.

The final answer is .

Replace the variable with in the expression.

Simplify the result.

Remove parentheses.

The final answer is .

Compose the result function for by replacing the function designators with the actual functions.

Rewrite the division as a fraction.

Simplify the numerator.

Rewrite as .

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

Reduce the expression by cancelling the common factors.

Cancel the common factor.

Divide by .