# Finite Math Examples

,

Step 1

Replace the function designators with the actual functions in .

Step 2

Step 2.1

Expand using the FOIL Method.

Step 2.1.1

Apply the distributive property.

Step 2.1.2

Apply the distributive property.

Step 2.1.3

Apply the distributive property.

Step 2.2

Simplify and combine like terms.

Step 2.2.1

Simplify each term.

Step 2.2.1.1

Rewrite using the commutative property of multiplication.

Step 2.2.1.2

Multiply by by adding the exponents.

Step 2.2.1.2.1

Move .

Step 2.2.1.2.2

Multiply by .

Step 2.2.1.3

Multiply by .

Step 2.2.1.4

Multiply by .

Step 2.2.1.5

Multiply by .

Step 2.2.1.6

Multiply by .

Step 2.2.2

Subtract from .