# Precalculus Examples

,

Distribute the value across the operation.

Replace the variable with in the expression.

Simplify the result.

Simplify each term.

Remove parentheses around .

Remove parentheses around .

The final answer is .

Replace the variable with in the expression.

Simplify the result.

Remove parentheses around .

The final answer is .

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

Rewrite the division as a fraction.

Factor out of .

Reduce the expression by cancelling the common factors.

Cancel the common factor.

Divide by to get .