# Precalculus Examples

, , fog

Set up the composite result function.

Evaluate by substituting in the value of into .

Rewrite as .

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.

Use the power rule to combine exponents.

Add and to get .

Move to the left of the expression .

Multiply by to get .

Rewrite as .

Rewrite as .

Multiply by to get .

Subtract from to get .

Apply the distributive property.

Multiply by to get .

Remove unnecessary parentheses.

Add and to get .

Simplify by adding and subtracting.

Subtract from to get .

Add and to get .