# Finite Math Examples

Step 1

Evaluate using the formula .

Step 2

Subtract from .

Step 3

Step 3.1

Rewrite as .

Step 3.2

Cancel the common factor of .

Step 3.2.1

Cancel the common factor.

Step 3.2.2

Rewrite the expression.

Step 3.3

Multiply by .

Step 3.4

Simplify the denominator.

Step 3.4.1

Expand to .

Step 3.4.2

Multiply by .

Step 3.5

Divide by .