# Precalculus Examples

,

Distribute the value across the operation.

Replace the variable with in the expression.

Simplify the result.

Remove parentheses around .

The final answer is .

Replace the variable with in the expression.

Simplify the result.

Multiply by to get .

The final answer is .

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

Multiply by to get .

Expand using the FOIL Method.

Apply the distributive property.

Apply the distributive property.

Apply the distributive property.

Remove parentheses.

Simplify and combine like terms.

Simplify each term.

Move .

Use the power rule to combine exponents.

Add and to get .

Move to the left of the expression .

Multiply by to get .

Rewrite as .

Multiply by to get .

Multiply by to get .

Add and to get .