# Precalculus Examples

Add and .

Subtract from both sides of the equation.

Add and .

Remove the absolute value term. This creates a on the right side of the equation because .

Set up the positive portion of the solution.

Divide each term in by .

Reduce the expression by cancelling the common factors.

Cancel the common factor.

Divide by .

Divide by .

Set up the negative portion of the solution.

Multiply by .

Divide each term by and simplify.

Divide each term in by .

Reduce the expression by cancelling the common factors.

Cancel the common factor.

Divide by .

Simplify the right side of the equation.

Divide by .

Multiply by .

The solution to the equation includes both the positive and negative portions of the solution.