# Precalculus Examples

Step 1

Add and .

Step 2

Step 2.1

Subtract from both sides of the equation.

Step 2.2

Subtract from .

Step 3

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

Step 4

Step 4.1

First, use the positive value of the to find the first solution.

Step 4.2

Divide each term in by and simplify.

Step 4.2.1

Divide each term in by .

Step 4.2.2

Simplify the left side.

Step 4.2.2.1

Cancel the common factor of .

Step 4.2.2.1.1

Cancel the common factor.

Step 4.2.2.1.2

Divide by .

Step 4.2.3

Simplify the right side.

Step 4.2.3.1

Divide by .

Step 4.3

Next, use the negative value of the to find the second solution.

Step 4.4

Divide each term in by and simplify.

Step 4.4.1

Divide each term in by .

Step 4.4.2

Simplify the left side.

Step 4.4.2.1

Cancel the common factor of .

Step 4.4.2.1.1

Cancel the common factor.

Step 4.4.2.1.2

Divide by .

Step 4.4.3

Simplify the right side.

Step 4.4.3.1

Divide by .

Step 4.5

The complete solution is the result of both the positive and negative portions of the solution.